- (a.) Consisting of or involving the use of, three terms; as, a trinomial systematic name specifying the genus, species, and variety.
- (n.) A quantity consisting of three terms, connected by the sign + or -; as, x + y + z or ax + 2b - c2.
- (a.) Consisting of three terms; of or pertaining to trinomials; as, a trinomial root.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). trinomial. Retrieved September 21, 2026, from http://smartdefine.org/trinomial/definitions/2074774 |
| Chicago | Webster's. 2011. "trinomial" http://smartdefine.org/trinomial/definitions/2074774 (accessed September 21, 2026). |
| Harvard | Webster's 2011, trinomial, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/trinomial/definitions/2074774>. |
| MLA | Webster's. "trinomial" 28 May 2011. Web. 21 September 2026. <http://smartdefine.org/trinomial/definitions/2074774> |