/ ˈlɪθiəm; NAmE / noun
[ U ] ( symb Li ) a chemical element. Lithium is a soft, very light, silver-white metal used in batteries and alloys .
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WORD ORIGIN
early 19th cent.: from lithia lithium oxide + -ium .
/ ˈlɪθiəm; NAmE / noun
[ U ] ( symb Li ) a chemical element. Lithium is a soft, very light, silver-white metal used in batteries and alloys .
••
WORD ORIGIN
early 19th cent.: from lithia lithium oxide + -ium .
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005