deuterium

名词 n.
中文释义
英 /djuːˈtɪəɹɪəm/|/dʒuːˈtɪəɹɪəm/    美 /djuːˈtɪɹi.əm/

英文释义

名词 n.
  1. An isotope of hydrogen with one proton and one neutron in each atom - 21H. uncountable
    — Heavy water is "heavy" because it contains deuterium.
  2. An atom of this isotope. countable
    — There were about 80 deuteriums for every million protiums, and virtually no tritium.

词形变化

deuteriums plural

词汇关系

衍生词
antideuterium deuterium bottleneck deuterium oxide
相关词
deuteron Deuteronomy heavy water

词源

From deutero- + -ium. Coined by American physical chemist Harold Urey, from Ancient Greek δεύτερος (deúteros, “second”).
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