Definition of relative molecular mass in English:

relative molecular mass

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

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.
More example sentences
  • With these diatomic molecules, there is an Avogadro's number of diatomic molecules in the amount of gas that is equivalent to the relative molecular mass.
  • Hirudin, a 65 amino acid residue anticoagulant peptide with a relative molecular mass of 7000 Da purified from the leech Hirudo medicinalis, binds thrombin with high specificity and sensitivity.
  • Cyanoalanine synthase activity has been localized mainly to mitochondria and has an apparent relative molecular mass of 53 000 to 60 000.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day glee
Pronunciation: gliː
noun
great delight, especially from one's own good fortune…