lith·i·um
noun/ˈlɪθiəm/
/ˈlɪθiəm/
[uncountable] (symbol Li)
- a chemical element. Lithium is a soft, very light, silver-white metal used in batteries and alloys.
锂 Oxford Collocations DictionaryLithium is used before these nouns:- battery
Word Originearly 19th cent.: from lithia ‘lithium oxide’ + -ium.