lithium

2 ENTRIES FOUND:

lith·i·um

noun \ˈlith-ē-əm\

Definition of LITHIUM

1
: a soft silver-white element of the alkali metal group that is the lightest metal known and that is used in chemical synthesis and in storage batteries—symbol Li; see element table
2
: a lithium salt and especially lithium carbonate used in psychiatric medicine

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