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unit of measurement

units of measurement

Definitions of unit of measurement
  1. noun
    any division of quantity accepted as a standard of measurement or exchange
    synonyms: unit
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    types:
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    measuring block, measuring unit
    a unit of measurement
    denier
    a unit of measurement for the fineness of silk or nylon or rayon
    diopter, dioptre
    a unit of measurement of the refractive power of a lens which is equal to the reciprocal of the focal length measured in meters; used by oculists
    carat, karat, kt
    the unit of measurement for the proportion of gold in an alloy; 18-karat gold is 75% gold; 24-karat gold is pure gold
    absorption unit
    a unit for measuring absorption
    acceleration unit
    a unit for measuring acceleration
    angular unit
    a unit of measurement for angles
    area unit, square measure
    a system of units used to measure areas
    capacity measure, capacity unit, cubage unit, cubature unit, cubic content unit, cubic measure, displacement unit, volume unit
    a unit of measurement of volume or capacity
    computer memory unit
    a unit for measuring computer memory
    electromagnetic unit, emu
    any of various systems of units for measuring electricity and magnetism
    explosive unit
    any unit for measuring the force of explosions
    force unit
    a unit of measurement of physical force
    linear measure, linear unit
    a unit of measurement of length
    metric, metric unit
    a decimal unit of measurement of the metric system (based on meters and kilograms and seconds)
    miles per gallon
    the distance traveled in a vehicle powered by one gallon of gasoline or diesel fuel
    monetary unit
    a unit of money
    MFLOP, megaflop, million floating point operations per second
    (computer science) a unit for measuring the speed of a computer system
    teraflop, trillion floating point operations per second
    (computer science) a unit for measuring the speed of a computer system
    MIPS, million instructions per second
    (computer science) a unit for measuring the execution speed of a computer's CPU (but not the whole system)
    pain unit
    a unit measuring the intensity of pain
    pressure unit
    a unit measuring force per unit area
    printing unit
    a unit of measurement for printing
    sound unit
    any acoustic unit of measurement
    telephone unit
    a unit of measurement for telephone use
    temperature unit
    a unit of measurement for temperature
    weight, weight unit
    a unit used to measure weight
    mass unit
    a unit of measurement for mass
    unit of viscosity
    a unit of measurement for viscosity
    energy unit, heat unit, work unit
    a unit of measurement for work
    langley
    unit of solar radiation
    Brinell number
    measure of the hardness of a material
    point
    the unit of counting in scoring a game or contest
    bit
    a unit of measurement of information (from binary + digit); the amount of information in a system having two equiprobable states
    electrostatic unit
    any of various units of electricity based on forces of interaction between electric charges
    extra point, point after, point after touchdown
    in American football a point awarded for a successful place kick following a touchdown
    long measure
    a measure of length
    cu in, cubic inch
    the volume equal to a cube one inch on each side
    cu ft, cubic foot
    the volume equal to a cube one foot on each side
    cord
    a unit of amount of wood cut for burning; 128 cubic feet
    advantage
    (tennis) first point scored after deuce
    set point
    (tennis) the final point needed to win a set in tennis
    match point
    (tennis) the final point needed to win a match (especially in tennis)
    sabin
    a unit of acoustic absorption equivalent to the absorption by a square foot of a surface that absorbs all incident sound
    mil
    an angular unit used in artillery; equal to 1/6400 of a complete revolution
    arcdegree, degree
    a measure for arcs and angles
    arcsecond, second
    a 60th part of a minute of arc
    arcminute, minute, minute of arc
    a unit of angular distance equal to a 60th of a degree
    microradian
    a unit of angular distance equal to one thousandth of a milliradian
    milliradian
    a unit of angular distance equal to one thousandth of a radian
    rad, radian
    the unit of plane angle adopted under the Systeme International d'Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees)
    grad, grade
    one-hundredth of a right angle
    oxtant
    a unit of angular distance equal to half a quadrant
    sextant
    a unit of angular distance equal to 60 degrees
    straight angle
    an angle of 180 degrees
    sr, steradian
    the unit of solid angle adopted under the Systeme International d'Unites
    sq in, square inch
    a unit of area equal to one inch by one inch square
    sq ft, square foot
    a unit of area equal to one foot by one foot square
    sq yd, square yard
    a unit of area equal to one yard by one yard square
    centare, square meter, square metre
    a centare is 1/100th of an are
    square mile
    an area of 640 acres
    quarter section
    a land unit equal to a quarter of a section (160 acres) and measuring 1/2 mile on a side
    acre
    a unit of area (4840 square yards) used in English-speaking countries
    ar, are
    a unit of surface area equal to 100 square meters
    hectare
    (abbreviated `ha') a unit of surface area equal to 100 ares (or 10,000 square meters)
    arpent
    a former French unit of area; equal approximately to an acre
    b, barn
    (physics) a unit of nuclear cross section; the effective circular area that one particle presents to another as a target for an encounter
    dessiatine
    a former Russian unit of area equal to 2.7 acres
    morgen
    a South African unit of measure equal to about 2 acres
    perch, pole, rod
    a square rod of land
    liquid measure, liquid unit
    a unit of capacity for liquids (for measuring the volumes of liquids or their containers)
    dry measure, dry unit
    a unit of capacity for dry commodities (as fruit or grain)
    metric capacity unit
    a capacity unit defined in metric terms
    cran
    a capacity unit used for measuring fresh herring
    field capacity
    the maximum amount of water that a particular soil can hold
    homer, kor
    an ancient Hebrew unit of capacity equal to 10 baths or 10 ephahs
    hin
    ancient Hebrew unit of liquid measure = 1.5 gallons
    fathom, fthm
    (mining) a unit of volume (equal to 6 cubic feet) used in measuring bodies of ore
    acre-foot
    the volume of water that would cover 1 acre to a depth of 1 foot; 43,560 cubic feet or 1233.5 cubic meters
    acre inch
    one twelfth of an acre-foot
    board foot
    the volume of a piece of wood 1 foot square and 1 inch thick
    standard
    a board measure = 1980 board feet
    cubic yard, yard
    a unit of volume (as for sand or gravel)
    last
    a unit of capacity for grain equal to 80 bushels
    check bit, parity, parity bit
    (computer science) a bit that is used in an error detection procedure in which a 0 or 1 is added to each group of bits so that it will have either an odd number of 1's or an even number of 1's; e.g., if the parity is odd then any group of bits that arrives with an even number of 1's must contain an error
    nibble, nybble
    a small byte
    byte
    a sequence of 8 bits (enough to represent one character of alphanumeric data) processed as a single unit of information
    sector
    the minimum track length that can be assigned to store information; unless otherwise specified a sector of data consists of 512 bytes
    block
    (computer science) a sector or group of sectors that function as the smallest data unit permitted
    allocation unit
    a group of sectors on a magnetic disk that can be reserved for the use of a particular file
    partition
    (computer science) the part of a hard disk that is dedicated to a particular operating system or application and accessed as a single unit
    word
    a word is a string of bits stored in computer memory
    K, KB, KiB, kB, kibibyte, kilobyte
    a unit of information equal to 1024 bytes
    K, KB, kB, kilobyte
    a unit of information equal to 1000 bytes
    kb, kbit, kilobit
    a unit of information equal to 1000 bits
    kibibit, kibit
    a unit of information equal to 1024 bits
    M, MB, MiB, mebibyte, megabyte
    a unit of information equal to 1024 kibibytes or 2^20 (1,048,576) bytes
    M, MB, megabyte
    a unit of information equal to 1000 kilobytes or 10^6 (1,000,000) bytes
    Mb, Mbit, megabit
    a unit of information equal to 1000 kilobits or 10^6 (1,000,000) bits
    Mibit, mebibit
    a unit of information equal to 1024 kibibits or 2^20 (1,048,576) bits
    G, GB, GiB, gibibyte, gigabyte
    a unit of information equal to 1024 mebibytes or 2^30 (1,073,741,824) bytes
    G, GB, gigabyte
    a unit of information equal to 1000 megabytes or 10^9 (1,000,000,000) bytes
    Gb, Gbit, gigabit
    a unit of information equal to 1000 megabits or 10^9 (1,000,000,000) bits
    Gibit, gibibit
    a unit of information equal to 1024 mebibits or 2^30 (1,073,741,824) bits
    TB, TiB, tebibyte, terabyte
    a unit of information equal to 1024 gibibytes or 2^40 (1,099,511,627,776) bytes
    TB, terabyte
    a unit of information equal to 1000 gigabytes or 10^12 (1,000,000,000,000) bytes
    Tb, Tbit, terabit
    a unit of information equal to 1000 gigabits or 10^12 (1,000,000,000,000) bits
    Tibit, tebibit
    a unit of information equal to 1024 gibibits or 2^40 (1,099,511,627,776) bits
    PB, PiB, pebibyte, petabyte
    a unit of information equal to 1024 tebibytes or 2^50 bytes
    PB, petabyte
    a unit of information equal to 1000 terabytes or 10^15 bytes
    Pb, Pbit, petabit
    a unit of information equal to 1000 terabits or 10^15 bits
    Pibit, pebibit
    a unit of information equal to 1024 tebibits or 2^50 bits
    EB, EiB, exabyte, exbibyte
    a unit of information equal to 1024 pebibytes or 2^60 bytes
    EB, exabyte
    a unit of information equal to 1000 petabytes or 10^18 bytes
    Eb, Ebit, exabit
    a unit of information equal to 1000 petabits or 10^18 bits
    Eibit, exbibit
    a unit of information equal to 1024 pebibits or 2^60 bits
    ZB, ZiB, zebibyte, zettabyte
    a unit of information equal to 1024 exbibytes or 2^70 bytes
    ZB, zettabyte
    a unit of information equal to 1000 exabytes or 10^21 bytes
    Zb, Zbit, zettabit
    a unit of information equal to 1000 exabits or 10^21 bits
    Zibit, zebibit
    a unit of information equal to 1024 exbibits or 2^70 bits
    YB, YiB, yobibyte, yottabyte
    a unit of information equal to 1024 zebibytes or 2^80 bytes
    YB, yottabyte
    a unit of information equal to 1000 zettabytes or 10^24 bytes
    Yb, Ybit, yottabit
    a unit of information equal to 1000 zettabits or 10^24 bits
    Yibit, yobibit
    a unit of information equal to 1024 zebibits or 2^80 bits
    capacitance unit
    a measure of the capacity of a circuit component to store charge
    charge unit, quantity unit
    a measure of the quantity of electricity (determined by the amount of an electric current and the time for which it flows)
    conductance unit
    a measure of a material's ability to conduct an electrical charge
    current unit
    a measure of the amount of electric charge flowing past a circuit point at a specific time
    elastance unit
    the reciprocal of capacitance
    field strength unit
    an electromagnetic unit of magnetic intensity
    flux density unit
    a measure of the amount of flux per unit of cross sectional area
    inductance unit
    a measure of the property of an electric circuit by which an electromotive force is induced in it
    light unit
    a measure of the visible electromagnetic radiation
    magnetomotive force unit
    a unit of measurement of magnetomotive force
    potential unit
    a measure of the potential energy of a unit charge at a given point in a circuit relative to a reference point (ground)
    power unit
    a measure of electric power
    radioactivity unit
    a measure of radioactivity
    resistance unit
    the reciprocal of conductance
    kiloton
    a measure of explosive power (of an atomic weapon) equal to that of 1000 tons of TNT
    megaton
    a measure of explosive power (of an atomic weapon) equal to that of one million tons of TNT
    dyne
    a unit of force equal to the force that imparts an acceleration of 1 cm/sec/sec to a mass of 1 gram
    N, newton
    a unit of force equal to the force that imparts an acceleration of 1 m/sec/sec to a mass of 1 kilogram; equal to 100,000 dynes
    sthene
    a unit of force equal to 1000 newtons
    pdl, poundal
    a unit of force equal to the force that imparts an acceleration of 1 foot/sec/sec to a mass of 1 pound; equal to 0.1382 newtons
    lbf., pound
    a nontechnical unit of force equal to the mass of 1 pound with an acceleration of free fall equal to 32 feet/sec/sec
    pounder
    (used only in combination) something weighing a given number of pounds
    g, g-force, gee
    a unit of force equal to the force exerted by gravity; used to indicate the force to which a body is subjected when it is accelerated
    gal
    a unit of gravitational acceleration equal to one centimeter per second per second (named after Galileo)
    astronomy unit
    a linear unit used for astronomical distances
    metric linear unit
    a linear unit of distance in metric terms
    nautical linear unit
    a linear unit of distance used in navigation
    in, inch
    a unit of length equal to one twelfth of a foot
    foot, ft
    a linear unit of length equal to 12 inches or a third of a yard
    footer
    (used only in combinations) the height or length of something in feet
    pace, yard
    a unit of length equal to 3 feet; defined as 91.44 centimeters; originally taken to be the average length of a stride
    yarder
    (used only in combinations) the height or length of something in yards
    perch, pole, rod
    a linear measure of 16.5 feet
    furlong
    a unit of length equal to 220 yards
    international mile, land mile, mi, mile, stat mi, statute mile
    a unit of length equal to 1,760 yards or 5,280 feet; exactly 1609.344 meters
    miler
    (used only in combinations) the length of something in miles
    880 yards, half mile
    a unit of length equal to half of 1 mile
    440 yards, quarter mile
    a unit of length equal to a quarter of 1 mile
    league
    an obsolete unit of distance of variable length (usually 3 miles)
    ligne
    a linear unit (1/40 inch) used to measure diameter of buttons
    nail
    a former unit of length for cloth equal to 1/16 of a yard
    archine
    a Russian unit of length (71 cm)
    coss, kos
    (in India) a unit of length having different values in different localities
    vara
    a Spanish unit of length (about a yard) having different values in different localities
    verst
    a Russian unit of length (1.067 km)
    cable, cable length, cable's length
    a nautical unit of depth
    chain
    a unit of length
    cubit
    an ancient unit of length based on the length of the forearm
    digit, finger, finger's breadth, fingerbreadth
    the length of breadth of a finger used as a linear measure
    fistmele
    about seven inches; the breadth of a fist with the thumb stuck out (used especially in archery to give the correct distance of the string from the bow)
    body length
    the length of your body
    handbreadth, handsbreadth
    any unit of length based on the breadth of the human hand
    head
    the length or height based on the size of a human or animal head
    lea
    a unit of length of thread or yarn
    li
    Chinese distance measure; approximately 0.5 kilometers
    link
    a unit of length equal to 1/100 of a chain
    mesh
    the number of openings per linear inch of a screen; measures size of particles
    mil
    a unit of length equal to one thousandth of an inch; used to specify thickness (e.g., of sheets or wire)
    Swedish mile, mil, mile
    a Swedish unit of length equivalent to 10 km
    Roman mile, mile
    an ancient Roman unit of length equivalent to 1620 yards
    Roman pace
    an ancient Roman unit of length (4.85 English feet) measured as the distance from the heel of one foot to the heel of the same foot when next it touches the ground
    geometric pace
    a modern version of the Roman pace now taken to be 5 feet
    military pace
    the length of a single step in marching (taken to be 30 inches for quick time or 36 inches for double time)
    palm
    a linear unit based on the length or width of the human hand
    span
    a unit of length based on the width of the expanded human hand (usually taken as 9 inches)
    survey mile
    a U.S. unit of measure equal to 1609.347 meters; derived from the use of 39.37 inches as the conversion for one meter
    fathom, fthm
    a linear unit of measurement (equal to 6 feet) for water depth
    dollar
    the basic monetary unit in many countries; equal to 100 cents
    euro
    the basic monetary unit of most members of the European Union (introduced in 1999); in 2002 twelve European nations (Germany, France, Belgium, Luxembourg, the Netherlands, Italy, Spain, Portugal, Ireland, Greece, Austria, Finland) adopted the euro as their basic unit of money and abandoned their traditional currencies
    franc
    the basic monetary unit in many countries; equal to 100 centimes
    fractional monetary unit, subunit
    a monetary unit that is valued at a fraction (usually one hundredth) of the basic monetary unit
    Afghan monetary unit
    monetary unit in the Islamic State of Afghanistan
    Argentine monetary unit
    monetary unit in Argentina
    Thai monetary unit
    monetary unit in Thailand
    Panamanian monetary unit
    monetary unit in Panama
    Ethiopian monetary unit
    monetary unit in Ethiopia
    Venezuelan monetary unit
    monetary unit of Venezuela
    Ghanian monetary unit
    monetary unit of Ghana
    Costa Rican monetary unit
    monetary unit in Costa Rica
    El Salvadoran monetary unit
    monetary unit in El Salvador
    Brazilian monetary unit
    monetary unit in Brazil
    Gambian monetary unit
    monetary unit in Gambia
    Algerian monetary unit
    monetary unit in Algeria
    Bahrainian monetary unit
    monetary unit in Bahrain
    Iraqi monetary unit
    monetary unit in Iraq
    Jordanian monetary unit
    monetary unit in Jordan
    Kuwaiti monetary unit
    monetary unit in Kuwait
    Libyan monetary unit
    monetary unit in Libya
    Tunisian monetary unit
    monetary unit in Tunisia
    Yugoslavian monetary unit
    monetary unit in Yugoslavia
    Moroccan monetary unit
    monetary unit in Morocco
    United Arab Emirate monetary unit
    monetary unit in the United Arab Emirates
    Vietnamese monetary unit
    monetary unit in Vietnam
    Greek monetary unit
    monetary unit in Greece
    Sao Thome e Principe monetary unit
    monetary unit on Sao Tome e Principe
    Cape Verde monetary unit
    monetary unit on Cape Verde
    Portuguese monetary unit
    monetary unit in Portugal
    Hungarian monetary unit
    monetary unit in Hungary
    Haitian monetary unit
    the monetary unit in Haiti
    Paraguayan monetary unit
    monetary unit in Paraguay
    Dutch monetary unit
    monetary unit in the Netherlands
    Surinamese monetary unit
    monetary unit in Suriname
    Peruvian monetary unit
    monetary unit in Peru
    Papuan monetary unit
    monetary unit in Papua New Guinea
    Laotian monetary unit
    monetary unit in Laos
    Czech monetary unit
    monetary unit in Czech Republic
    Slovakian monetary unit
    monetary unit in Slovakia
    Icelandic monetary unit
    monetary unit in Iceland
    Swedish monetary unit
    monetary unit in Sweden
    Danish monetary unit
    monetary unit in Denmark
    Norwegian monetary unit
    monetary unit in Norway
    Malawian monetary unit
    monetary unit in Malawi
    Zambian monetary unit
    monetary unit in Zambia
    Angolan monetary unit
    monetary unit in Angola
    Myanmar monetary unit
    monetary unit in the Union of Burma
    Albanian monetary unit
    monetary unit in Albania
    Honduran monetary unit
    monetary unit in Honduras
    Sierra Leone monetary unit
    monetary unit in Sierra Leone
    Romanian monetary unit
    monetary unit in Romania
    Bulgarian monetary unit
    monetary unit in Bulgaria
    Swaziland monetary unit
    monetary unit in Swaziland
    Italian monetary unit
    monetary unit in Italy
    British monetary unit
    monetary unit in Great Britain
    Turkish monetary unit
    monetary unit in Turkey
    Lesotho monetary unit
    monetary unit in Lesotho
    German monetary unit
    monetary unit in Germany
    Finnish monetary unit
    monetary unit in Finland
    Mozambique monetary unit
    monetary unit in Mozambique
    Nigerian monetary unit
    monetary unit in Nigeria
    Bhutanese monetary unit
    monetary unit in Bhutan
    Mauritanian monetary unit
    monetary unit in Mauritania
    Tongan monetary unit
    monetary unit in Tonga
    Macao monetary unit
    monetary unit in Macao
    Spanish monetary unit
    monetary unit in Spain
    Bolivian monetary unit
    monetary unit in Bolivia
    Nicaraguan monetary unit
    monetary unit in Nicaragua
    Chilean monetary unit
    monetary unit in Chile
    Colombian monetary unit
    monetary unit in Colombia
    Cuban monetary unit
    monetary unit in Cuba
    Dominican monetary unit
    monetary unit in the Dominican Republic
    Guinea-Bissau monetary unit
    monetary unit in Guinea-Bissau
    Mexican monetary unit
    monetary unit in Mexico
    Philippine monetary unit
    monetary unit in the Philippines
    Uruguayan monetary unit
    monetary unit in Uruguay
    Cypriot monetary unit
    monetary unit in Cyprus
    Egyptian monetary unit
    monetary unit in Egypt
    Irish monetary unit
    monetary unit in Eire
    Lebanese monetary unit
    monetary unit in Lebanon
    Maltese monetary unit
    monetary unit on Malta
    Sudanese monetary unit
    monetary unit in the Sudan
    Syrian monetary unit
    monetary unit in Syria
    Botswana monetary unit
    monetary unit in Botswana
    Guatemalan monetary unit
    monetary unit in Guatemala
    South African monetary unit
    monetary unit in South Africa
    Iranian monetary unit
    monetary unit in Iran
    Omani monetary unit
    monetary unit in Oman
    Yemeni monetary unit
    monetary unit in Yemen
    Cambodian monetary unit
    monetary unit in Cambodia
    Malaysian monetary unit
    monetary unit is Malaysia
    Qatari monetary unit
    monetary unit in Qatar
    Saudi Arabian monetary unit
    monetary unit in Saudi Arabia
    Russian monetary unit
    monetary unit in Russia
    Armenian monetary unit
    monetary unit in Armenia
    Azerbaijani monetary unit
    monetary unit in Azerbaijan
    Belarusian monetary unit
    monetary unit in Belarus
    Estonian monetary unit
    monetary unit in Estonia
    Georgian monetary unit
    monetary unit in Georgia
    Kazakhstani monetary unit
    monetary unit in Kazakhstan
    Latvian monetary unit
    monetary unit in Latvia
    Lithuanian monetary unit
    monetary unit in Lithuania
    Kyrgyzstani monetary unit
    monetary unit in Kyrgyzstan
    Moldovan monetary unit
    monetary unit in Moldova
    Tajikistani monetary unit
    monetary unit in Tajikistan
    Turkmen monetary unit
    monetary unit in Turkmenistan
    Ukranian monetary unit
    monetary unit in Ukraine
    Uzbekistani monetary unit
    monetary unit in Uzbekistan
    Indian monetary unit
    monetary unit in India
    Pakistani monetary unit
    monetary unit in Pakistan
    Mauritian monetary unit
    monetary unit in Mauritius
    Nepalese monetary unit
    monetary unit in Nepal
    Seychelles monetary unit
    monetary unit in Seychelles
    Sri Lankan monetary unit
    monetary unit in Sri Lanka
    Indonesian monetary unit
    monetary unit in Indonesia
    Austrian monetary unit
    monetary unit in Austria
    Israeli monetary unit
    monetary unit in Israel
    Kenyan monetary unit
    monetary unit in Kenya
    Somalian monetary unit
    monetary unit in Somalia
    Tanzanian monetary unit
    monetary unit in Tanzania
    Ugandan monetary unit
    monetary unit in Uganda
    Ecuadoran monetary unit
    monetary unit in Ecuador
    Guinean monetary unit
    monetary unit in Guinea
    Bangladeshi monetary unit
    monetary unit in Bangladesh
    Western Samoan monetary unit
    monetary unit in Western Samoa
    Mongolian monetary unit
    monetary unit in Mongolia
    North Korean monetary unit
    monetary unit in North Korea
    South Korean monetary unit
    monetary unit in South Korea
    Japanese monetary unit
    monetary unit in Japan
    Chinese monetary unit
    the monetary unit in the People's Republic of China
    Zairese monetary unit
    monetary unit in Zaire
    Polish monetary unit
    monetary unit in Poland
    dol
    a unit of pain intensity
    atm, atmosphere, standard atmosphere, standard pressure
    a unit of pressure: the pressure that will support a column of mercury 760 mm high at sea level and 0 degrees centigrade
    Pa, pascal
    a unit of pressure equal to one newton per square meter
    millimeter of mercury, mm Hg, torr
    a unit of pressure equal to 0.001316 atmosphere; named after Torricelli
    pounds per square inch, psi
    a unit of pressure
    millibar
    a unit of atmospheric pressure equal to one thousandth of a bar
    bar
    (meteorology) a unit of pressure equal to a million dynes per square centimeter
    bar absolute, barye, microbar
    the absolute unit of pressure equal to one dyne per square centimeter
    point
    a linear unit used to measure the size of type; approximately 1/72 inch
    em, pica, pica em
    a linear unit (1/6 inch) used in printing
    en, nut
    half the width of an em
    em, em quad, mutton quad
    a quad with a square body
    cicero
    a linear unit of the size of type slightly larger than an em
    agate line, line
    space for one line of print (one column wide and 1/14 inch deep) used to measure advertising
    milline
    an advertising measure; one agate line appearing in one million copies of a publication
    column inch, inch
    a unit of measurement for advertising space
    B, Bel
    a logarithmic unit of sound intensity equal to 10 decibels
    dB, decibel
    a logarithmic unit of sound intensity; 10 times the logarithm of the ratio of the sound intensity to some reference intensity
    sone
    a unit of perceived loudness equal to the loudness of a 1000-hertz tone at 40 dB above threshold
    phon
    a unit of subjective loudness
    Erlang
    a unit of traffic intensity in a telephone system
    degree
    a unit of temperature on a specified scale
    millidegree
    a unit of temperature equal to one-thousandth of a degree
    K, kelvin
    the basic unit of thermodynamic temperature adopted under the Systeme International d'Unites
    Rankine
    a unit of temperature on the Rankine scale
    degree day
    a unit used in estimating fuel requirements for heating a building
    poise
    a cgs unit of dynamic viscosity equal to one dyne-second per square centimeter; the viscosity of a fluid in which a force of one dyne per square centimeter maintains a velocity of 1 centimeter per second
    atomic mass unit
    unit of mass for expressing masses of atoms or molecules
    mass number, nucleon number
    the sum of the number of neutrons and protons in an atomic nucleus
    avoirdupois unit
    any of the units of the avoirdupois system of weights
    troy unit
    any of the unit of the troy system of weights
    apothecaries' unit, apothecaries' weight
    any weight unit used in pharmacy; an ounce is equal to 480 grains and a pound is equal to 12 ounces
    metric weight unit, weight unit
    a decimal unit of weight based on the gram
    arroba
    a unit of weight used in some Spanish speaking countries
    cattie, catty
    any of various units of weight used in southeastern Asia (especially a Chinese measure equal to 500 grams)
    crith
    the weight of a liter of hydrogen (at 0 centigrade and 760 millimeters pressure)
    frail
    the weight of a frail (basket) full of raisins or figs; between 50 and 75 pounds
    last
    a unit of weight equal to 4,000 pounds
    maund
    a unit of weight used in Asia; has different values in different countries
    obolus
    a Greek unit of weight equal to one tenth of a gram
    oka
    a Turkish unit of weight equal to about 2.75 pounds
    picul
    a unit of weight used in some parts of Asia; approximately equal to 133 pounds (the load a grown man can carry)
    pood
    a Russian unit of weight equal to approximately 36 pounds
    rotl
    a unit of weight used in some Moslem countries near the Mediterranean; varies between one and five pounds
    slug
    a unit of mass equal to the mass that accelerates at 1 foot/sec/sec when acted upon by a force of 1 pound; approximately 14.5939 kilograms
    tael
    a unit of weight used in east Asia approximately equal to 1.3 ounces
    tod
    a unit of weight for wool equal to about 28 pounds
    welterweight
    a weight of 28 pounds; sometimes imposed as a handicap in a horse race (such as a steeplechase)
    pound
    a unit of apothecary weight equal to 12 ounces troy
    erg
    a cgs unit of work or energy; the work done by a force of one dyne acting over a distance of one centimeter
    eV, electron volt
    a unit of energy equal to the work done by an electron accelerated through a potential difference of 1 volt
    J, joule, watt second
    a unit of electrical energy equal to the work done when a current of one ampere passes through a resistance of one ohm for one second
    calorie, gram calorie, small calorie
    unit of heat defined as the quantity of heat required to raise the temperature of 1 gram of water by 1 degree centigrade at atmospheric pressure
    Calorie, kilocalorie, kilogram calorie, large calorie, nutritionist's calorie
    a unit of heat equal to the amount of heat required to raise the temperature of one kilogram of water by one degree at one atmosphere pressure; used by nutritionists to characterize the energy-producing potential in food
    B.Th.U., BTU, British thermal unit
    a unit of heat equal to the amount of heat required to raise one pound of water one degree Fahrenheit at one atmosphere pressure; equivalent to 251.997 calories
    therm
    a unit of heat equal to 100,000 British thermal units
    watt-hour
    a unit of energy equal to the power of one watt operating for one hour
    B.T.U., Board of Trade unit, kW-hr, kilowatt hour
    a unit of energy equal to the work done by a power of 1000 watts operating for one hour
    foot-pound
    a unit of work equal to a force of one pound moving through a distance of one foot
    foot-ton
    2240 foot-pounds
    foot-poundal
    a unit of work equal to a force of one poundal moving through a distance of one foot
    horsepower-hour
    a unit of work equal to the work done by one horsepower in one hour
    kilogram-meter
    a unit of work equal to the work done by a one kilogram force operating through a distance of one meter
    type of:
    definite quantity
    a specific measure of amount
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