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BNC: 24711 COCA: 15717

lithium

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

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