infinitesimal
- Adjective. Incalculably, exceedingly, or immeasurably minute; vanishingly small.
- Adjective. (mathematics) Of or pertaining to values that approach zero as a limit.
- Adjective. (informal) Very small.
- Noun. (mathematics) A non-zero quantity whose magnitude is smaller than any positive number (by definition it is not a real number).
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This entry was last updated on RefTopia from its source on 3/20/2012.