C

Definitions of C
  1. noun
    a degree on the centigrade scale of temperature
    synonyms: degree Celsius, degree centigrade
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    types:
    standard temperature
    exactly zero degrees centigrade
    STP, s.t.p.
    standard temperature and pressure
    type of:
    degree
    a unit of temperature on a specified scale
  2. noun
    a base found in DNA and RNA and derived from pyrimidine; pairs with guanine
    synonyms: cytosine
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    type of:
    pyrimidine
    any of several basic compounds derived from pyrimidine
  3. noun
    one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)
    synonyms: deoxycytidine monophosphate
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    type of:
    base, nucleotide
    a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA)
  4. noun
    ten 10s
    synonyms: 100, century, hundred, one C
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    type of:
    large integer
    an integer equal to or greater than ten
  5. noun
    the 3rd letter of the Roman alphabet
    synonyms: c
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    type of:
    alphabetic character, letter, letter of the alphabet
    the conventional characters of the alphabet used to represent speech
  6. noun
    a vitamin found in fresh fruits (especially citrus fruits) and vegetables; prevents scurvy
    synonyms: ascorbic acid, vitamin C
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    type of:
    antioxidant
    substance that inhibits oxidation or inhibits reactions promoted by oxygen or peroxides
    water-soluble vitamin
    any vitamin that is soluble in water
  7. noun
    an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
    synonyms: atomic number 6, carbon
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    types:
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    fullerene
    a form of carbon having a large molecule consisting of an empty cage of sixty or more carbon atoms
    carbon 14, radiocarbon
    a radioactive isotope of carbon
    char
    a charred substance
    charcoal, wood coal
    a carbonaceous material obtained by heating wood or other organic matter in the absence of air
    carbon black, crock, lampblack, smut, soot
    a black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink
    activated carbon, activated charcoal
    powdered or granular carbon used for purifying by adsorption; given orally (as a slurry) it is an antidote for some kinds of poisons
    black lead, graphite, plumbago
    used as a lubricant and as a moderator in nuclear reactors
    adamant, diamond
    very hard native crystalline carbon valued as a gem
    lead, pencil lead
    mixture of graphite with clay in different degrees of hardness; the marking substance in a pencil
    buckminsterfullerene, buckyball
    a spheroidal fullerene; the first known example of a fullerene
    carbon nanotube, nanotube
    a fullerene molecule having a cylindrical or toroidal shape
    animal black, animal charcoal, bone black, bone char
    black substance containing char in the form of carbonized bone; used as a black pigment
    black diamond, carbonado
    an inferior dark diamond used in industry for drilling and polishing
    pencil
    graphite (or a similar substance) used in such a way as to be a medium of communication
    snuff
    the charred portion of a candlewick
    type of:
    chemical element, element
    any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
  8. noun
    a unit of electrical charge equal to the amount of charge transferred by a current of 1 ampere in 1 second
    synonyms: ampere-second, coulomb
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    type of:
    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)
  9. noun
    a general-purpose programing language closely associated with the UNIX operating system
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    type of:
    programing language, programming language
    (computer science) a language designed for programming computers
  10. noun
    (music) the keynote of the scale of C major
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    type of:
    keynote, tonic
    (music) the first note of a diatonic scale
  11. noun
    street names for cocaine
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    type of:
    cocain, cocaine
    a narcotic (alkaloid) extracted from coca leaves; used as a surface anesthetic or taken for pleasure; can become powerfully addictive
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