- deuterium
- deuterium 1933, coined by U.S. chemist Harold C. Urey, with Mod.L. ending, from Gk. deuterion, neut. of deuterios "having second place." So called because it is twice the mass of hydrogen.
Etymology dictionary. 2014.
deuterium
Look at other dictionaries:
Deuterium — Deutérium Hydrogène 2 table General Nom, Symbole deutérium, 2H Neutrons 1 Protons 1 … Wikipédia en Français
deutérium — [ døterjɔm ] n. m. • 1934; de deutér(o) et ium ♦ Phys., chim. Élément atomique (D; no at. 1; m. at. 2), isotope stable de l hydrogène, appelé aussi hydrogène lourd, et dont le noyau (⇒ deuton) contient un proton et un neutron. Le deutérium,… … Encyclopédie Universelle
deuterium — Symbol: D Atomic weight: 2 A hydrogen atom which has but one proton and neutron. Deuterium makes up about 0.015% of all natural hydrogen. Chemical properties are like that of normal hydrogen, though somewhat slower … Elements of periodic system
Deuterium — См. Дейтерий Термины атомной энергетики. Концерн Росэнергоатом, 2010 … Термины атомной энергетики
deuterium — DEUTÉRIUM s.n. v. deuteriu. Trimis de LauraGellner, 13.09.2007. Sursa: DN … Dicționar Român
deuterium — ► NOUN Chemistry ▪ a stable isotope of hydrogen with a mass approximately twice that of the usual isotope. ORIGIN Latin, from Greek deuteros second … English terms dictionary
deuterium — ☆ deuterium [do͞o tir′ē əm, dyo͞otir′ē əm ] n. [ModL: see DEUTERO & IUM] a hydrogen isotope used in nuclear reactors, accelerators, etc.: symbol, D; at. wt., 2.0141: see HEAVY WATER … English World dictionary
Deuterium — Hydrogen 2 Full table General Name, symbol deuterium, 2H or D Neutrons 1 … Wikipedia
Deuterium — Strukturformel Allgemeines Name Deuterium Andere Namen … Deutsch Wikipedia
Deutérium — Hydrogène 2 table Général Nom, Symbole deutérium, 2H Neutrons 1 Protons 1 Donn … Wikipédia en Français
