a quantity expressed as a sum or difference of two terms relating to binomials; "binomial expression" consisting of two names or terms; "binomial nomenclature
Having two names; used of the system by which every animal and plant receives two names, the one indicating the genus, the other the species, to which it belongs
a mathematical expression that has two parts connected by the sign + or the sign -, for example 3x + 4y or x - 7 (binomium, from binominis, from bi- ( BI-) + nomen )