vapour density

1. 1.

   the density of a gas relative to the density of hydrogen

   Synonymsvapor density

   Broaderrelative density

Questions about vapour density

What does vapour density mean?

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

What is another word for vapour density?

Close synonyms include vapor 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 vapour density a common word?

vapour 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.