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5 definitions found

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

 lith·i·um /ˈlɪθiəm/

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

 lith·i·um /ˈlɪθɪəm/ 名詞

From: Webster's Revised Unabridged Dictionary (1913)

 Lith·i·um n.  Chem. A metallic element of the alkaline group, occurring in several minerals, as petalite, spodumene, lepidolite, triphylite, etc., and otherwise widely disseminated, though in small quantities.
 Note:When isolated it is a soft, silver white metal, tarnishing and oxidizing very rapidly in the air. It is the lightest solid element known, specific gravity being 0.59. Symbol Li. Atomic weight 7.0 So called from having been discovered in a mineral.

From: WordNet (r) 2.0

      n : a soft silver-white univalent element of the alkali metal
          group; the lightest metal known; occurs in several
          minerals [syn: Li, atomic number 3]

From: Elements database 20001107

 Symbol: Li
 Atomic number: 3
 Atomic weight: 6.939
 Socket silvery metal. First member of group 1 of the periodic table.
 Lithium salts are used in psychomedicine.