Definition of lithium in English:

lithium

Syllabification: lith·i·um
Pronunciation: /ˈliTHēəm
 
/

noun

1The chemical element of atomic number 3, a soft silver-white metal. It is the lightest of the alkali metals. (Symbol: Li)
More example sentences
  • The group lithium - sodium - potassium has a valency of one, as does the group chlorine - bromine - iodine.
  • Elemental nitrogen, however, is only capable of oxidizing a few metals such as lithium and magnesium.
  • Personally, I would like to see neither battery used in the long run and we move to the lithium battery, because lithium is the lightest metal.
1.1Lithium carbonate or another lithium salt, used as a mood-stabilizing drug.
More example sentences
  • These include amphetamines, antidepressant drugs, caffeine, corticosteroids and lithium.
  • Moreover, despite the benefits of drugs such as lithium shown in a Cochrane review, pharmacological treatment for bipolar disorder is potentially toxic.
  • The current treatment for bipolar disorder is mood stabilizers such as lithium and anticonvulsants.

Origin

early 19th century: from lithia + -ium.

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