binomial

American  

[bahy-noh-mee-uhl] / baɪˈnoʊ mi əl /

noun

1. Algebra. an expression that is a sum or difference of two terms, as 3 x + 2 y and x 2 − 4 x.

2. Zoology, Botany. a taxonomic name consisting of a generic and a specific term, used to designate species.

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adjective

1. Algebra. consisting of or pertaining to two terms or a binomial.

2. Zoology, Botany. consisting of or characterized by binomials.

binomial British  

/ baɪˈnəʊmɪəl /

noun

1. a mathematical expression consisting of two terms, such as 3 x + 2 y

2. a two-part taxonomic name for an animal or plant See binomial nomenclature

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adjective

1. referring to two names or terms

binomial Scientific  

/ bī-nō′mē-əl /

1. A mathematical expression that is the sum of two monomials, such as 3 a + 2 b.

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Other Word Forms

• binomialism noun
• binomially adverb

Etymology

Origin of binomial

1550–60; < Late Latin binōmi ( us ) having two names (compare Latin binōminis ) + -al ¹. See bi- ¹, nominal