heavy hydrogen

1. 1.

   an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen)

   Synonymsdeuterium

   Broaderhydrogen atomisotope

Questions about heavy hydrogen

What does heavy hydrogen mean?

heavy hydrogen means "an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen)".

What is another word for heavy hydrogen?

Close synonyms include deuterium. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is heavy hydrogen a common word?

heavy hydrogen is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.