DEUTERIUM


Meaning of DEUTERIUM in English

/ djuːˈtɪəriəm; NAmE -ˈtɪr- NAmE also duːˈt-/ noun

[ U ] ( symb D ) ( chemistry ) an isotope (= a different form) of hydrogen with twice the mass of the usual isotope

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WORD ORIGIN

1930s: modern Latin , from Greek deuteros second.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.