/ ˈfrænsiəm; NAmE / noun
[ U ] ( symb Fr ) a chemical element. Francium is a radioactive metal.
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WORD ORIGIN
1940s: from France (the discoverer's native country) + -ium .
/ ˈfrænsiəm; NAmE / noun
[ U ] ( symb Fr ) a chemical element. Francium is a radioactive metal.
••
WORD ORIGIN
1940s: from France (the discoverer's native country) + -ium .
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005