vapor density

1. 1.

   the density of a gas relative to the density of hydrogen

   Synonymsvapour density

   Broaderrelative density

Questions about vapor density

What does vapor density mean?

vapor density means "the density of a gas relative to the density of hydrogen".

What is another word for vapor density?

Close synonyms include vapour density. 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 vapor density a common word?

vapor density 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.