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Synonyms for relative atomic mass

  • noun

Most common

atomic weight atomic mass

All synonyms

Noun

atomic weight, atomic mass

Definitions

  1. n. 1

    The ratio of the average mass per atom of the naturally occurring form of an element to 1/12 of the mass of a carbon-12 atom. Symbol Aᵣ; abbreviation RAM or r.a.m. For elements with several isotopes, the most stable isotope is treated as the representative.