- an expression that is a sum or difference of two terms, as 3x + 2y and x2 − 4x.
- a taxonomic name consisting of a generic and a specific term, used to designate species.
- consisting of or pertaining to two terms or a binomial.
- consisting of or characterized by binomials.
- a mathematical expression consisting of two terms, such as 3 x + 2 y
- a two-part taxonomic name for an animal or plant
- referring to two names or terms