deuterium

名词 deuterium:

1. an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen)
   同义词：heavy hydrogen

deu.te.ri.um

n.（名词）
An isotope of hydrogen with one proton and one neutron in the nucleus having an atomic weight of 2.04.
氘：氢的一种同位素，在其原子核内有一个质子和一个中子，其原子重量为2.04

来源：
deuter(o)-
deuter(o)-
-ium
-ium