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5 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 stron·tium /ˈstrɑn(t)ʃ(i)əm, ˈstrɑntiəm/

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 stron·tium /ˈstrɑnʧ(ɪ)əm, ˈstrɑntɪəm/ 名詞

From: Webster's Revised Unabridged Dictionary (1913)

 Stron·ti·um n.  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 calcium. It is chiefly employed (as in the nitrate) to color pyrotechnic flames red. Symbol Sr. Atomic weight 87.3.

From: WordNet (r) 2.0

      n : a soft silver-white or yellowish metallic element of the
          alkali metal group; turns yellow in air; occurs in
          celestite and strontianite [syn: Sr, atomic number 38]

From: Elements database 20001107

 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 by Klaproth and Hope,
 isolated in 1808 by Humphry Davy.