emu

Definitions of emu
  1. noun
    large Australian flightless bird similar to the ostrich but smaller
    synonyms: Dromaius novaehollandiae, Emu novaehollandiae
    see moresee less
    type of:
    flightless bird, ratite, ratite bird
    flightless birds having flat breastbones lacking a keel for attachment of flight muscles: ostriches; cassowaries; emus; moas; rheas; kiwis; elephant birds
  2. noun
    any of various systems of units for measuring electricity and magnetism
    synonyms: electromagnetic unit
    see moresee less
    types:
    show 71 types...
    hide 71 types...
    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
    picofarad
    a unit of capacitance equal to one trillionth of a farad
    microfarad
    a unit of capacitance equal to one millionth of a farad
    millifarad
    a unit of capacitance equal to one thousandth of a farad
    F, farad
    the capacitance of a capacitor that has an equal and opposite charge of 1 coulomb on each plate and a voltage difference of 1 volt between the plates
    abfarad
    a capacitance unit equal to one billion farads
    C, ampere-second, coulomb
    a unit of electrical charge equal to the amount of charge transferred by a current of 1 ampere in 1 second
    abcoulomb
    a unit of electrical charge equal to 10 coulombs
    ampere-minute
    a unit of charge equal to 60 coulombs
    ampere-hour
    a unit of charge equal to 3600 coulombs
    S, mho, reciprocal ohm, siemens
    a unit of conductance equal to the reciprocal of an ohm
    A, amp, ampere
    the basic unit of electric current adopted under the Systeme International d'Unites
    mA, milliampere
    one thousandth of an ampere
    abamp, abampere
    a unit of current equal to 10 amperes
    ampere, international ampere
    a former unit of electric current (slightly smaller than the SI ampere)
    daraf
    a unit of elastance equal to the reciprocal of a farad
    gamma
    a unit of magnetic field strength equal to one-hundred-thousandth of an oersted
    oersted
    the magnetic field strength 1 cm from a unit magnetic pole
    microgauss
    a unit of magnetic flux density equal to one millionth of a gauss
    gauss
    a unit of magnetic flux density equal to 1 maxwell per square centimeter
    tesla
    a unit of magnetic flux density equal to one weber per square meter
    abhenry
    a unit of inductance equal to one billionth of a henry
    millihenry
    a unit of inductance equal to one thousandth of a henry
    H, henry
    a unit of inductance in which an induced electromotive force of one volt is produced when the current is varied at the rate of one ampere per second
    illumination unit
    a measure of illumination
    luminance unit
    a measure of luminance
    luminous flux unit
    a measure of luminous flux per unit area
    candlepower unit, luminous intensity unit
    a measure of luminous intensity
    exposure
    the intensity of light falling on a photographic film or plate
    Gb, Gi, gilbert
    a unit of magnetomotive force equal to 0.7958 ampere-turns
    ampere-turn
    a unit of magnetomotive force equal to the magnetomotive force produced by the passage of 1 ampere through 1 complete turn of a coil; equal to 1.257 gilberts
    magneton
    a unit of magnetic moment of a molecular or atomic or subatomic particle
    abvolt
    a unit of potential equal to one-hundred-millionth of a volt
    mV, millivolt
    a unit of potential equal to one thousandth of a volt
    microvolt
    a unit of potential equal to one millionth of a volt
    nanovolt
    a unit of potential equal to one billionth of a volt
    picovolt
    a unit of potential equal to one trillionth of a volt
    femtovolt
    a unit of potential equal to one quadrillionth of a volt (or one thousandth of a nanosecond)
    V, volt
    a unit of potential equal to the potential difference between two points on a conductor carrying a current of 1 ampere when the power dissipated between the two points is 1 watt; equivalent to the potential difference across a resistance of 1 ohm when 1 ampere of current flows through it
    kV, kilovolt
    a unit of potential equal to a thousand volts
    abwatt
    a power unit equal to the power dissipated when 1 abampere flows across a potential difference of 1 abvolt (one ten-thousandth of a milliwatt)
    milliwatt
    a unit of power equal to one thousandth of a watt
    W, watt
    a unit of power equal to 1 joule per second; the power dissipated by a current of 1 ampere flowing across a resistance of 1 ohm
    kW, kilowatt
    a unit of power equal to 1000 watts
    megawatt
    a unit of power equal to one million watts
    H.P., HP, horsepower
    a unit of power equal to 746 watts
    var, volt-ampere
    a unit of electrical power in an AC circuit equal to the power dissipated when 1 volt produces a current of 1 ampere
    kilovolt-ampere
    a unit of electrical power equal to 1000 volt-amperes
    millicurie
    a unit of radioactivity equal to one thousandth of a curie
    Ci, curie
    a unit of radioactivity equal to the amount of a radioactive isotope that decays at the rate of 37,000,000,000 disintegrations per second
    Gy, gray
    the SI unit of energy absorbed from ionizing radiation; equal to the absorption of one joule of radiation energy by one kilogram of matter; one gray equals 100 rad
    R, roentgen
    a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
    rutherford
    a unit strength of a radioactive source equal to one million disintegrations per second
    REM
    (Roentgen Equivalent Man) the dosage of ionizing radiation that will cause the same amount of injury to human tissue as 1 roentgen of X-rays
    rad
    a unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material
    abohm
    a unit of resistance equal to a billionth of an ohm
    ohm
    a unit of electrical resistance equal to the resistance between two points on a conductor when a potential difference of one volt between them produces a current of one ampere
    megohm
    a unit of resistance equal to one million ohms
    type of:
    unit, unit of measurement
    any division of quantity accepted as a standard of measurement or exchange
Word Family