atom : Dictionary / Wörterbuch (BEOLINGUS, TU Chemnitz)

English Dictionary: atom	by the DICT Development Group
3 results for atom
From WordNet (r) 3.0 (2006) [wn]:
atom n (physics and chemistry) the smallest component of an element having the chemical properties of the element (nontechnical usage) a tiny piece of anything Synonym(s): atom, molecule, particle, corpuscle, mote, speck
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Atom \At"om\, n. [L. atomus, Gr. [?], uncut, indivisible; 'a priv. + [?], verbal adj. of [?] to cut: cf. F. atome. See {Tome}.] 1. (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. Note: 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. 2. (Chem.) The smallest particle of matter that can enter into combination; one of the elementary constituents of a molecule. 3. Anything extremely small; a particle; a whit. There was not an atom of water. --Sir J. Ross.
From Webster's Revised Unabridged Dictionary (1913) [web1913]:
Atom \At"om\, v. t. To reduce to atoms. [Obs.] --Feltham.