subatomic particle

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subatomic particle

n.
Any of various units of matter below the size of an atom, including the elementary particles and hadrons.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
References in periodicals archive ?
While a physicist might seek to identify the most basic particles of matter, a philosopher might wonder whether there are limits to our knowledge, or whether the findings of science can ever be certain.
The basic particles of the universe that physicists have identified--electrons, neutrinos, quarks, photons--are the "letters" that make up all matter, even you and me.
His criterion for substantial unity is: For any set of basic particles, the x's, if there is an intrinsic property being F, such that being F is instantiated in exactly the space occupied by the x's, and it is not the case that something's being F is a logical consequence of the properties and relations of the x's as such, then there is something y, such that the x's merely coincide with y, and y is an intrinsic unity.
during the collision (between basic particles), the basic particles can usually be divided into many parts.
The average chemical composition of basic particles (Figures 4-6) is very similar and it approximately corresponds to average composition of the bottom ash samples presented in the paper (Klika et al., 2004).

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