GNU Collaborative International Dictionary of English

last match results

Found 2 definitions

1.       
   Atom , n. [L. atomus, Gr. , uncut, indivisible; ἀ priv. + , verbal adj. of  to cut: cf. F. atome. See Tome.]
   (Physics) (a) An ultimate indivisible particle of matter. (b) An ultimate particle of matter not necessarily indivisible; a molecule. (c) A constituent particle of matter, or a molecule supposed to be made up of subordinate particles.
   1913 Webster
   ☞ These three definitions correspond to different views of the nature of the ultimate particles of matter. In the case of the last two, the particles are more correctly called molecules.
   Dana.
   
   1913 Webster
   (Chem.) The smallest particle of matter that can enter into combination; one of the elementary constituents of a molecule.
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   Anything extremely small; a particle; a whit.
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   There was not an atom of water.
   Sir J. Ross.
   
   1913 Webster
   
         
       

2.       
   Atom, v. t. To reduce to atoms. [Obs.]
   Feltham.
   
   1913 Webster