Sub Atomic

subatomic

[suhb-uh-tom-ik]
adjective Physics.
1.
of or pertaining to a process that occurs within an atom.
2.
noting or pertaining to a particle or particles contained in an atom, as electrons, protons, or neutrons.

Origin:
1900–05; sub- + atomic

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World English Dictionary
subatomic (ˌsʌbəˈtɒmɪk)
 
adj
1.  of, relating to, or being a particle making up an atom or a process occurring within atoms: the electron is a subatomic particle
2.  having dimensions smaller than atomic dimensions

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

subatomic
1903, from sub-atom (1880), from sub- + atom.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

subatomic sub·a·tom·ic (sŭb'ə-tŏm'ĭk)
adj.

  1. Of or relating to the constituents of the atom.

  2. Having dimensions or participating in reactions characteristic of the constituents of the atom.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Cultural Dictionary

subatomic definition


A descriptive term for objects and events within the atom.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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