follow Dictionary.com

Get our exclusive Word of the Day images!

atomic

[uh-tom-ik] /əˈtɒm ɪk/
adjective
1.
of, pertaining to, resulting from, or using atoms, atomic energy, or atomic bombs:
an atomic explosion.
2.
propelled or driven by atomic energy:
an atomic submarine.
3.
Chemistry. existing as free, uncombined atoms.
4.
extremely minute.
Also, atomical.
Origin
1670-1680
1670-80; atom + -ic
Related forms
atomically, adverb
nonatomic, adjective
nonatomical, adjective
nonatomically, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
British Dictionary definitions for atomically

atomic

/əˈtɒmɪk/
adjective
1.
of, using, or characterized by atomic bombs or atomic energy atomic warfare
2.
of, related to, or comprising atoms atomic hydrogen
3.
extremely small; minute
4.
(logic) (of a sentence, formula, etc) having no internal structure at the appropriate level of analysis. In predicate calculus, Fa is an atomic sentence and Fx an atomic predicate
Derived Forms
atomically, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for atomically
atomic
1670s as a philosophical term (see atomistic); scientific sense dates from 1811, from atom. Atomic number is from 1821; atomic mass is from 1898. Atomic energy first recorded 1906; atomic bomb first recorded 1914 in writings of H.G. Wells, who thought of it as a bomb "that would continue to explode indefinitely."
"When you can drop just one atomic bomb and wipe out Paris or Berlin, war will have become monstrous and impossible." [S. Strunsky, "Yale Review," January 1917]
Atomic Age is from 1945.
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
atomically in Science
atomic
  (ə-tŏm'ĭk)   
  1. Relating to an atom or to atoms.

  2. Employing nuclear energy.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source

Word of The Day

Difficulty index for atomic

All English speakers likely know this word

Word Value for atomically

17
0
Scrabble Words With Friends