samarium — [ samarjɔm ] n. m. • 1879; métal découvert dans la samarskite (minerai), du nom du chimiste russe Samarski ♦ Chim. Métal (Sm; no at. 62; m. at. 150,4) du groupe des lanthanides. Le samarium est utilisé pour absorber les neutrons dans les… … Encyclopédie Universelle
Samarium — Sa*ma ri*um, n. [NL., fr. E. samarskite.] (Chem.) A rare metallic element of doubtful identity. [1913 Webster] Note: Samarium was discovered, by means of spectrum analysis, in certain minerals (samarskite, cerite, etc.), in which it is associated … The Collaborative International Dictionary of English
samarium — Symbol: Sm Atomic number: 62 Atomic weight: 150.35 Soft silvery metallic element, belongs to the lanthanoids. Seven natural isotopes, Sm 147 is the only radioisotope, and has a half life of 2.5*10^11 years. Used for making special alloys needed… … Elements of periodic system
Samarium — Samarium, Sa, ein im Orthit und Monazit sich findendes, zu den Edelerden gehörendes chemisches Element. Bujard … Lexikon der gesamten Technik
Samarium — Samarĭum, sehr seltenes, wenig untersuchtes chem. Element, im Samarskit gefunden … Kleines Konversations-Lexikon
samarium — [sə mer′ē əm, səmar′ē əm] n. [ModL: so named (1879) by Boisbaudran (see GALLIUM) < Fr samarskite (see SAMARSKITE), in which it occurs + IUM] a chemical element, one of the rare earth elements: symbol, Sm; at. no., 62: see the periodic table of … English World dictionary
Samarium — promethium ← samarium → europium ↑ Sm ↓ … Wikipedia
Samarium — Eigenschaften … Deutsch Wikipedia
Samarium — Pour les articles homonymes, voir Sm. Samarium Prométhium ← Samarium → … Wikipédia en Français
samarium — /seuh mair ee euhm/, n. Chem. a rare earth metallic element discovered in samarskite. Symbol: Sm; at. wt.: 150.35; at. no.: 62; sp. gr.: 7.49. [1875 80; < NL; see SAMARSKITE, IUM] * * * ▪ chemical element (Sm), chemical element, rare earth metal … Universalium