subatomic adjective - Definition, pictures, pronunciation and usage notes | Oxford Advanced American Dictionary at OxfordLearnersDictionaries.com

Definition of subatomic adjective from the Oxford Advanced American Dictionary

subatomic

adjective

NAmE//ˌsʌbəˈtɑmɪk//

[usually before noun] (physics)

smaller than, or found in, an atom subatomic particles

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