deu·ter·i·um
noun/djuːˈtɪəriəm/
/duːˈtɪriəm/
[uncountable] (symbol D)
(chemistry)- an isotope (= a different form) of hydrogen with twice the mass of the usual isotope
氘,重氢(氢的同位素) Word Origin1930s: modern Latin, from Greek deuteros ‘second’.
单词 | deuterium |
释义 | deu·ter·i·umnoun/djuːˈtɪəriəm/ /duːˈtɪriəm/ [uncountable] (symbol D) (chemistry)
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