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lithium

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lithium

Main Entry:: lith·i·um
Pronunciation:: \ˈli-thē-əm\
Function:: noun
Etymology:: New Latin, from lithia oxide of lithium, from Greek lithos
Date:: 1818

1 : a soft silver-white element of the alkali metal group that is the lightest metal known and that is used especially in alloys and glass, in chemical synthesis, and in storage batteries — see element table 2 : a salt of lithium (as lithium carbonate) used in psychiatric medicine

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