subatomic particle
American
[suhb-uh-tahm-ik pahr-ti-kuhl]
/ ˌsʌb əˈtɑm ɪk ˈpɑr tɪ kəl /
noun
subatomic particles
plural
subatomic particle
Scientific
/ sŭb′ə-tŏm′ĭk /
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Any of various particles of matter that are smaller than a hydrogen atom. Protons, neutrons, and electrons are subatomic particles, as are all hadrons and leptons.
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See also composite particle elementary particle
Other Word Forms
Noun Inflected Forms
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
