lithium

8 ENTRIES FOUND:

lith·i·um

noun \ˈli-thē-əm\

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

Full 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 element table
2
:  a salt of lithium (as lithium carbonate) used in psychiatric medicine

Origin of LITHIUM

New Latin, from lithia oxide of lithium, from Greek lithos
First Known Use: 1818

lith·i·um

noun \ˈlith-ē-əm\   (Medical Dictionary)

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

lithium

noun    (Concise Encyclopedia)

Chemical element, lightest alkali metal, chemical symbol Li, atomic number 3. It is soft, white, lustrous, and very reactive, forming compounds in which it has valence 1. The metal is used in certain alloys, as a coolant in nuclear reactors, and (because of its reactivity) as a reagent, scavenger, and rocket fuel. Lithium hydride is used as a source of hydrogen; lithium hydroxide is used as an additive in storage batteries and to absorb carbon dioxide. Halides (see halogen) of lithium are used as moisture absorbents, and lithium soaps are used as thickeners in lubricating greases. Lithium carbonate is an important drug for treating depression and bipolar disorder.

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