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lithium    音標拼音: [l'ɪθiəm]
n. 鋰



lithium
n 1: a soft silver-white univalent element of the alkali metal
group; the lightest metal known; occurs in several minerals
[synonym: {lithium}, {Li}, {atomic number 3}]

Lithium \Lith"i*um\ (l[i^]th"[i^]*[u^]m), n. [NL., from Gr.
li`qeios of stone, fr. li`qos stone.] (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.
[1913 Webster]

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.
[1913 Webster]

lithium
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.

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