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Definition of atomic weight noun from the Oxford Advanced Learner's Dictionary

atomic weight

noun
 
/əˌtɒmɪk ˈweɪt/
 
/əˌtɑːmɪk ˈweɪt/
(also atomic mass, relative atomic mass)
(chemistry)
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  1. the average mass of all the naturally occurring atoms of a chemical element
See atomic weight in the Oxford Advanced American DictionarySee atomic weight in the Oxford Learner's Dictionary of Academic English
Check pronunciation: atomic weight

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clerk
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