English

1. deuterium
2. deuterium 2H
3. heavy hydrogen, isotope of hydrogen having 1 neutron in its nucleus, so atomic weight 2
4. deuterium; heavy hydrogenunreviewed?

粵語

1. 係氫嘅同位素之一，符號²H，又叫做「重氫」，比氫多一粒中子unreviewed?

Words containing 氘

• 氘核dou1 hat6

  deuteron

• 氘覈dou1 hat6