subatomic
Americanadjective
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of or relating to a process that occurs within an atom.
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noting or pertaining to a particle or particles contained in an atom, as electrons, protons, or neutrons.
adjective
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of, relating to, or being a particle making up an atom or a process occurring within atoms
the electron is a subatomic particle
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having dimensions smaller than atomic dimensions
Etymology
Origin of subatomic
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The Pleiadians would then harness spiritual energy from subatomic tachyon particles in order to heal me, performing what Tourtsakis referred to as “surgeries.”
From Slate ● Sep. 22, 2026
Beginning in the 1950s, high-energy collision experiments started revealing large numbers of subatomic particles collectively known as hadrons.
From Science Daily ● Sep. 2, 2026
Even though it is much larger than individual subatomic particles, it still follows the laws of quantum mechanics.
From Science Daily ● Jun. 23, 2026
Mr. Oluseyi divides the universe into nine “realms,” ranging from the subatomic to the cosmological.
From The Wall Street Journal ● May 15, 2026
Improbably he wondered if the neutron–the subatomic particle that had just been discovered in England by James Chadwick, and was thus both novel and rather fashionable–might be at the heart of things.
From "A Short History of Nearly Everything" by Bill Bryson
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
