What does "atom" mean?
Atom: (Chem.) The smallest particle of matter that can enter into combination; one of the elementary constituents of a molecule.
Additional senses
- 2.Anything extremely small; a particle; a whit. There was not an atom of water. Sir J. Ross.
- 3.To reduce to atoms. [Obs.] Feltham.
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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- Published: 2026-07-17T00:00:00-07:00 · Modified: 2026-07-17T00:00:00-07:00