A quantity consisting of three terms, connected by the sign + or -; as, x + y + z, or ax + 2b - c2.
Consisting of three terms; of or pertaining to trinomials; as, a trinomial root.
Consisting of, or involving the use of, three terms; as, a trinomial systematic name specifying the genus, species, and variety.
polynomial consisting of 3 terms.
a sum of three terms, while a multinomial is more than three
A trinomial is any polynomial with three terms.
A polynomial that has three terms. For example: ax + bx + c
A polynomial with exactly three terms.
In elementary algebra, a trinomial is a polynomial consisting of three terms; in other words, a trinomial is the sum of three monomials.