strontium
noun Etymology: New Latin, from strontia strontium oxide, from obsolete English strontian, from Strontian, village in Scotland Date: 1808 a soft malleable ductile metallic element of the alkaline-earth group occurring only in combination and used especially in color TV tubes, in crimson fireworks, and in the production of some ferrites — see element table

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Strontium — (pronEng|ˈstrɒntiəm, ) is a chemical element with the symbol Sr and the atomic number 38. An alkaline earth metal, strontium is a soft silver white or yellowish metallic element that is highly reactive chemically. The metal turns yellow when… …   Wikipedia

  • Strontium — Rubidium ← Strontium → Yttrium Ca …   Wikipédia en Français

  • STRONTIUM — De Strontian, ville d’Écosse. Symbole chimique: Sr Numéro atomique: 38 Masse atomique: 87,62 Point de fusion: 769 0C Point d’ébullition: 1 384 0C Densité (à 20 0C): 2,54 Métal alcalinoterreux mou, de reflet argenté quand il est fraîchement coupé …   Encyclopédie Universelle

  • strontium — [strän′shəm, strän′shē əm; stränt′ē əm] n. [ModL: so named (1808) by DAVY Sir Humphry, who first isolated it < STRONTIA + IUM] a pale yellow, metallic chemical element, one of the alkaline earth metals, resembling calcium in properties and… …   English World dictionary

  • strontium — light metallic element, 1808, coined in Modern Latin by English chemist Sir Humphry Davy (1778 1829) from Strontian, name of a parish in Argyllshire, Scotland, the site of lead mines where strontium was first found …   Etymology dictionary

  • Strontium — Stron ti*um, n. [NL. See {Strontia}.] (Chem.) A metallic element of the calcium group, always naturally occurring combined, as in the minerals strontianite, celestite, etc. It is isolated as a yellowish metal, somewhat malleable but harder than… …   The Collaborative International Dictionary of English

  • Strontĭum — Strontĭum, Element, zu den Metallen der alkalischen Erden gehörig; chemisches Zeichen Sr, Atomgewicht 43,84 (H = 1) od. 548 (O = 100). Findet sich in der Natur als Oxyd (Strontian) an Schwefelsäure od. Kohlensäure gebunden; der schwefelsaure… …   Pierer's Universal-Lexikon

  • Strontĭum — Sr, Metall, findet sich in der Natur als schwefelsaurer (Cölestin) und kohlensaurer Strontian (Strontianit), ganz allgemein als Begleiter des Baryts, auch, wenngleich nur spurenweise, in Kalkspat, Aragonit, Kalkstein, Marmor, Kreide, Gips, in… …   Meyers Großes Konversations-Lexikon

  • Strontium — Strontĭum (chem. Zeichen Sr), dem Kalzium und Baryum ähnliches Metall, findet sich in der Natur namentlich im Strontianit und Cölestin, wird aus seinem Chlorid durch Elektrolyse hergestellt; messinggelbes Metall, härter als Blei, dehnbar; spez.… …   Kleines Konversations-Lexikon

  • strontium — Symbol: Sr Atomic number: 38 Atomic weight: 87.62 Soft yellowish metallic element, belongs to group 2 of the periodic table. Highly reactive chemically. Sr 90 is present in radioactive fallout and has a half life of 28 years. Discovered in 1798… …   Elements of periodic system

  • Strontium — Eigenschaften …   Deutsch Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”