binomial Definition

1. math.
An algebraic expression that contains two variables, eg 6x‐3y.
2. biol.
In the taxonomic system (known as binomial nomenclature) introduced by Linnaeus: a two-part name for an animal or plant, made up of two Latin words, first the genus name (with an initial capital letter) and then the species name, eg Homo sapiens.

1. math.
Containing two variables.
2. Consisting of two names or terms.