binomial

noun
bi·​no·​mi·​al | \ bī-ˈnō-mē-əl How to pronounce binomial (audio) \

Definition of binomial

1 : a mathematical expression consisting of two terms connected by a plus sign or minus sign
2 : a biological species name consisting of two terms

Other Words from binomial

binomial adjective
binomially \ bī-​ˈnō-​mē-​ə-​lē How to pronounce binomial (audio) \ adverb

Examples of binomial in a Sentence

the binomial a + b
Recent Examples on the Web The watermelons grown in the United States were soon subsumed under the same Latin binomial. Alex Fox, Smithsonian Magazine, 2 June 2021 Before binomials, names of plants in books were lists or strings of words that formed a kind of nuanced description. James Prosek, New York Times, 16 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'binomial.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of binomial

1557, in the meaning defined at sense 1

History and Etymology for binomial

New Latin binomium, from Medieval Latin, neuter of binomius having two names, alteration of Latin binominis, from bi- + nomin-, nomen name — more at name

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Time Traveler for binomial

Time Traveler

The first known use of binomial was in 1557

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Dictionary Entries Near binomial

binomenclature

binomial

binomial coefficient

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Statistics for binomial

Cite this Entry

“Binomial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/binomial. Accessed 21 May. 2022.

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More Definitions for binomial

binomial

noun
bi·​no·​mi·​al | \ bī-ˈnō-mē-əl How to pronounce binomial (audio) \

Medical Definition of binomial

: a biological species name consisting of two terms

Other Words from binomial

binomial adjective

More from Merriam-Webster on binomial

Thesaurus: All synonyms and antonyms for binomial

Britannica.com: Encyclopedia article about binomial

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