Medical Dictionary

lithium

noun lith·i·um \ˈlith-ē-əm\

Medical 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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May 28, 2015
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