molecular weight

1. 1.

   (chemistry) the sum of the relative atomic masses of the constituent atoms of a molecule

   Synonymsrelative molecular mass

   Broadermass

   chemistry

Questions about molecular weight

What does molecular weight mean?

molecular weight means "(chemistry) the sum of the relative atomic masses of the constituent atoms of a molecule".

What is another word for molecular weight?

Close synonyms include relative molecular mass. 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 molecular weight a common word?

molecular weight 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.