- (n.) Identity in pitch; coincidence of sounds proceeding from an equality in the number of vibrations made in a given time by two or more sonorous bodies. Parts played or sung in octaves are also said to be in unison or in octaves.
- (n.) Sounding alone.
- (n.) A single, unvaried.
- (n.) Sounded alike in pitch; unisonant; unisonous; as, unison passages, in which two or more parts unite in coincident sound.
- (n.) Harmony; agreement; concord; union.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). unison. Retrieved September 23, 2026, from http://smartdefine.org/unison/definitions/2077253 |
| Chicago | Webster's. 2011. "unison" http://smartdefine.org/unison/definitions/2077253 (accessed September 23, 2026). |
| Harvard | Webster's 2011, unison, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/unison/definitions/2077253>. |
| MLA | Webster's. "unison" 28 May 2011. Web. 23 September 2026. <http://smartdefine.org/unison/definitions/2077253> |