Definition of relative molecular mass in English:

relative molecular mass

Line breaks: rela|tive mo¦lecu|lar mass

Entry from British & World English dictionary

noun

Chemistry
The ratio of the average mass of one molecule of an element or compound to one twelfth of the mass of an atom of carbon-12.

Definition of relative molecular mass in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day jaunty
Pronunciation: ˈdʒɔːnti
adjective
having a lively, cheerful, and self-confident manner...