Library / English Dictionary

    CARBON

    Pronunciation (US): Play  (GB): Play

     I. (noun) 

    Sense 1

    Meaning:

    A copy made with carbon paperplay

    Synonyms:

    carbon; carbon copy

    Classified under:

    Nouns denoting man-made objects

    Hypernyms ("carbon" is a kind of...):

    copy (a thing made to be similar or identical to another thing)

    Sense 2

    Meaning:

    An abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compoundsplay

    Synonyms:

    atomic number 6; C; carbon

    Classified under:

    Nouns denoting substances

    Hypernyms ("carbon" is a kind 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)

    Hyponyms (each of the following is a kind of "carbon"):

    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)

    Holonyms ("carbon" is a substance of...):

    coal (fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period)

    limestone (a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals)

    crude; crude oil; fossil oil; oil; petroleum; rock oil (a dark oil consisting mainly of hydrocarbons)

    Derivation:

    carbonate (turn into a carbonate)

    carbonic (relating to or consisting of or yielding carbon)

    carbonise (turn into carbon, as by burning)

    carbonise (unite with carbon)

    carbonize (turn into carbon, as by burning)

    carbonize; carburise; carburize (unite with carbon)

    Sense 3

    Meaning:

    A thin paper coated on one side with a dark waxy substance (often containing carbon); used to transfer characters from the original to an under sheet of paperplay

    Synonyms:

    carbon; carbon paper

    Classified under:

    Nouns denoting substances

    Hypernyms ("carbon" is a kind of...):

    paper (a material made of cellulose pulp derived mainly from wood or rags or certain grasses)

    Credits

     Context examples: 

    A colorless, volatile and highly flammable, liquid inorganic compound with a characteristic, musty odor that emits toxic carbon monoxide fumes upon heating.

    (Nickel Carbonyl, NCI Thesaurus)

    Acetazolamide also produces respiratory stimulant effects in response to changes to both carbon dioxide and oxygen tension levels within the lungs.

    (Acetazolamide, NCI Thesaurus)

    Martin gathered together a number of carbon copies of his short stories, hesitated a moment, then added his "Sea Lyrics."

    (Martin Eden, by Jack London)

    This species is motile, spore forming, catalase positive, hydrolyzes casein, gelatin and starch, does not reduce nitrate, and utilizes citrate as its only carbon source.

    (Bacillus megaterium, NCI Thesaurus)

    A sterol derivative of cholesterol with two nitrogen atoms replacing two carbon atoms that acts as a hypocholesteremic agent by blocking delta-24-reductase.

    (Azacosterol, NCI Thesaurus)

    The BBB lets some substances, such as water, oxygen, carbon dioxide, and general anesthetics, pass into the brain.

    (BBB, NCI Dictionary)

    A saturated very long-chain fatty acid with a 22-carbon backbone.

    (Behenic Acid, NCI Thesaurus)

    A class of dietary fatty acids containing between 6 and 12 carbons.

    (Medium Chain Fatty Acid, NCI Thesaurus/CRCH)

    A small molecule made of one carbon and three hydrogen atoms.

    (Methyl group, NCI Dictionary)

    Organic compounds containing carbon and hydrogen in the form of an unsaturated, usually hexagonal ring structure.

    (Aromatic Hydrocarbon, NLM, Medical Subject Headings)


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