/ ˈsəʊdiəm; NAmE ˈsoʊ-/ noun
[ U ] ( symb Na ) a chemical element. Sodium is a soft silver-white metal that is found naturally only in compounds , such as salt.
••
WORD ORIGIN
early 19th cent.: from soda + -ium .
/ ˈsəʊdiəm; NAmE ˈsoʊ-/ noun
[ U ] ( symb Na ) a chemical element. Sodium is a soft silver-white metal that is found naturally only in compounds , such as salt.
••
WORD ORIGIN
early 19th cent.: from soda + -ium .
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005