relative atomic mass
noun/ˌrelətɪv əˌtɒmɪk ˈmæs/
/ˌrelətɪv əˌtɑːmɪk ˈmæs/
(also atomic mass, atomic weight)
(chemistry)- the average mass of all the naturally occurring atoms of a chemical element
Want to learn more?
Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.
Check pronunciation:
relative atomic mass