Carbon

  • 71carbon 11 — a radioactive isotope of carbon, atomic mass 11, having a half life of 20.39 minutes; it decays by positron emission, with energy of 0.961 MeV, and is used as a tracer in positron emission tomography …

    Medical dictionary

  • 72carbon 13 — a naturally occurring isotope of carbon, atomic mass 13, occurring 1.11 percent of the time. It is used as a tracer in liver function tests and a few metabolic tests …

    Medical dictionary

  • 73carbón — s m 1 Sustancia formada principalmente por carbono, que se obtiene de la combustión de materia orgánica, como el carbón vegetal y el animal, o que se encuentra como mineral en forma de bloques negros y brillantes, en el grafito o en el diamante.… …

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  • 74carbon — (Roget s IV) n. Syn. carbon copy, reproduction, duplicate; see copy …

    English dictionary for students

  • 75carbon — car|bon [ karbən ] noun ** 1. ) uncount a chemical element that is found in all living things, and can also exist as DIAMONDS or coal 2. ) count a piece of CARBON PAPER …

    Usage of the words and phrases in modern English

  • 76carbon — [18] The notion underlying carbon is probably that of ‘burning’; it has been tentatively traced back to a base *kar ‘fire’. The word’s immediate source was French carbone, coined in the 1780s on the basis of Latin carbō ‘coal, charcoal’… …

    The Hutchinson dictionary of word origins

  • 77carbon-12 — noun the commonest natural carbon isotope, of mass 12, which is the basis for the accepted scale of atomic mass units …

    English new terms dictionary

  • 78Carbon — Sp Kárbonas Ap Carbon L JAV apyg. (Juta, Montana, Pensilvanija, Vajomingas) …

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  • 79carbon 14 — or carbon 14 n. chem. radiocarbon 1) • Etymology: 1935–40 …

    From formal English to slang

  • 80carbon — anglis statusas T sritis automatika atitikmenys: angl. carbon vok. Kohlenstoff, m rus. углерод, m pranc. carbone, m …

    Automatikos terminų žodynas