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Definition of “relative atomic mass” - English Dictionary

"relative atomic mass" in British English

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relative atomic massnoun [C or U]

uk   /ˌrel.ə.tɪv ə ˈtɒm.ɪk ˈmæs/  us   /ˌrel.ə.t̬ɪv ə ˈtɑː.mɪk ˈmæs/ (also atomic weight) specialized
the mass of an atom of a particular chemical element, usually expressed in atomic mass units
(Definition of relative atomic mass from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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