lithium

noun lith·i·um \ ˈli-thē-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 especially in alloys and glass, in chemical synthesis, and in storage batteries — see Chemical Elements Table
2 :a salt of lithium (such as lithium carbonate) used in psychiatric medicine

Recent Examples of lithium from the Web

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Origin and Etymology of lithium

New Latin, from lithia oxide of lithium, from Greek lithos


LITHIUM Defined for English Language Learners

lithium

noun

Definition of lithium for English Language Learners

  • : a soft silver-white element that is the lightest metal known


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 Chemical Elements Table
2 :a lithium salt and especially lithium carbonate used in psychiatric medicine


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