DEUTERIUM as NOUN

1. Meaning
   • an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen)
   Synonym(s)
   • heavy hydrogen (what does heavy hydrogen mean?)
   Hypernyms(s) deuterium is a kind of… Example: animal is a hypernym of mammal, plant is a hypernym of flower
   • hydrogen atom (what does hydrogen atom mean?)
   • isotope (what does isotope mean?)