actinide — [ aktinid ] n. m. • apr. 1950; gr. aktis, aktinos « rayon » et ide ♦ Phys. Élément radioactif dont le numéro atomique est compris entre 89 et 103. Les quatre premiers actinides, l actinium, le thorium, le protactinium, l uranium, existent à l… … Encyclopédie Universelle
actinide — [ak′tə nīd΄] n. [< ACTIN(IUM) + IDE] any of the elements in the series (actinide series) of radioactive, metallic chemical elements from element 89 (actinium) through element 103 (lawrencium): actinides resemble lanthanides in electronic… … English World dictionary
Actinide — The atomic bomb dropped on Nagasaki had a plutonium charge.[1] The actinide or actinoid (IUPAC nomenclature) series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium thro … Wikipedia
Actinide — … Deutsch Wikipedia
Actinide — La série chimique des actinides comprend les éléments chimiques du tableau périodique se situant entre l actinium et le lawrencium, possédant donc un numéro atomique entre 89 et 103 inclus. Les actinides sont tous des éléments radioactifs et… … Wikipédia en Français
actinide — /ak teuh nuyd /, n. Chem. any element of the actinide series. [1940 45; ACTIN + IDE, on the model of LANTHANIDE] * * * Any of the series of 15 consecutive chemical elements in the periodic table from actinium to lawrencium (atomic numbers 89–103) … Universalium
actiníde — s. n., pl. actiníde … Romanian orthography
actinide — ac•ti•nide [[t]ˈæk təˌnaɪd[/t]] n. chem. any element of the actinide series • Etymology: 1945; actin ( ium) + ide, on the model of lanthanide … From formal English to slang
actinide — aktinoidas statusas T sritis fizika atitikmenys: angl. actinoid vok. Actinoid, n rus. актиноид, m pranc. actinide, m … Fizikos terminų žodynas
actinide — n. (also actinoid) Chem. any of the series of 15 radioactive elements having increasing atomic numbers from actinium to lawrencium. Phrases and idioms: actinide series this series of elements. Etymology: ACTINIUM + IDE as in lanthanide … Useful english dictionary
