protium
名词 n.
英 /ˈpɹəʊ.tiəm/
美 /ˈpɹoʊ.tiəm/
英文释义
名词 n.
-
The lightest and most common isotope of hydrogen, having a single proton and no neutrons: 11H. It is the only stable nuclide with no neutrons.
— So far there are no differences among the protiums extracted at various labs, except for concentration levels.
-
An atom of this isotope.
— This radioactive decay leaves behind a protium as well.
词形变化
词源
From proto- + -ium. From Ancient Greek πρῶτος (prôtos, “first”).
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数据来源: Wiktionary