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trit·i·um (3H) (tritґe-əm) [Gr. tritos third] the mass three isotope of hydrogen, a radioactive gas with a half-life of 12.33 years and emitting beta particles (0.0186 MeV); it has been used as a tracer in metabolic studies. Cf. deuterium and protium.Medical dictionary. 2011.
tritium — [ tritjɔm ] n. m. • 1937; du gr. tritos « troisième », d apr. deutérium ♦ Chim. Isotope radioactif de l hydrogène (symb. T, 3H), dont la vie moyenne est de 12,26 années et qui donne l isotope 3 de l hélium. Noyau de tritium. ⇒ 3. triton. Le… … Encyclopédie Universelle
tritium — rit i*um (tr[i^]t [i^]*[u^]m), n. (Chem.) A radioactive isotope of hydrogen having one proton and two neutrons in the nucleus. It decays spontaneously to Helium 3 by the emission of an electron (beta ray), with a half life of 12.3 years. Symbol… … The Collaborative International Dictionary of English
tritium — tritium. См. тритий. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) … Молекулярная биология и генетика. Толковый словарь.
Tritĭum — Tritĭum, drei Städte im Tarraconensischen Spanien, welche beim j. Monasterio, Motrico u. Tricio lagen … Pierer's Universal-Lexikon
Tritium — (Т) Тритий «тяжелый» изотоп водорода с атомной массой 3. Термины атомной энергетики. Концерн Росэнергоатом, 2010 … Термины атомной энергетики
TRITIUM — quod Tuboricum Ptolem. Tobolicum Pompon. l. 3. c. 1. oppid. Hispaniae Tarraconens. infinib. Vardulorum; Mondragon hodie, teste Hen. Coquô, Brietio est Placentia, urbecula Ipuscoae, ad Devam fluv. 4. leuc. infra oppid. Mondragon in Boream versus… … Hofmann J. Lexicon universale
tritium — TRÍTIUM s.n. v. tritiu. Trimis de LauraGellner, 13.09.2007. Sursa: DN … Dicționar Român
tritium — 1933, Mod.L., from Gk. tritos “third” (see THIRD (Cf. third)) + chemical suffix ium … Etymology dictionary
tritium — [trit′ē əm] n. [ModL < Gr tritos,THIRD + IUM] a radioactive isotope of hydrogen having an atomic weight of 3 and a half life of c. 12.5 years: it decays by beta particle emission and is used in thermonuclear bombs, thermonuclear fusion devices … English World dictionary
Tritium — Pour les articles homonymes, voir Tritium Calcio 1908 . Tritium (Hydrogène 3) table Général Nom, Symbole tritium … Wikipédia en Français
Tritium — Infobox isotope background = #ffcccc text color = isotope name = Hydrogen 3 alternate names = tritium, triton mass number = 3 symbol = H num neutrons = 2 num protons = 1 abundance = trace halflife = 4500±8 days decay mode1 = Beta emission decay… … Wikipedia
