lithium
noun/ˈlɪθiəm/
/ˈlɪθiəm/
[uncountable] (symbol Li)
- a chemical element. Lithium is a soft, very light, silver-white metal used in batteries and alloys.Topics Physics and chemistryc2Oxford Collocations DictionaryLithium is used before these nouns:
- battery
Word Originearly 19th cent.: from lithia ‘lithium oxide’ + -ium.Want to learn more?
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lithium