definitions
• synonyms

# binomial

[bahy-noh-mee-uh l]
See more synonyms on Thesaurus.com
noun
1. Algebra. an expression that is a sum or difference of two terms, as 3x + 2y and x2 − 4x.
2. Zoology, Botany. a taxonomic name consisting of a generic and a specific term, used to designate species.
1. Algebra. consisting of or pertaining to two terms or a binomial.
2. Zoology, Botany. consisting of or characterized by binomials.

## Origin of .css-1fxfie5{font-size:22px;}@media (max-width:768px){.css-1fxfie5{font-size:18px;margin:0 10px 10px 0;word-break:break-all;word-wrap:break-word;-webkit-hyphens:auto;-moz-hyphens:auto;-ms-hyphens:auto;hyphens:auto;line-height:22px;}}binomial

1550–60; < Late Latin binōmi(us) having two names (compare Latin binōminis) + -al1. See bi-1, nominal
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

## Examples from the Web for binomial

### Historical Examples

• #### A binomial in algebra is a quantity consisting of two terms.

Orthography

Elmer W. Cavins

• #### The dot is used to indicate that the root of the binomial (not of 136 alone) is called for.

William Oughtred

Florian Cajori

• #### Review the method of finding the square root of a binomial surd.

A Review of Algebra

Romeyn Henry Rivenburg

• #### (a) Write the middle term of the expansion of by the binomial theorem.

A Review of Algebra

Romeyn Henry Rivenburg

British Dictionary definitions for binomial

# binomial

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
1. referring to two names or terms

## Word Origin

C16: from Medieval Latin binōmius from bi- 1 + Latin nōmen name
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## Word Origin and History forbinomial

1550s (n.); 1560s (adj.), from Late Latin binomius "having two personal names," a hybrid from bi- (see bi-) + nomius, from nomen (see name (n.)). Taken up 16c. in the algebraic sense "consisting of two terms."

Online Etymology Dictionary, © 2010 Douglas Harper

binomial in Medicine

(bī-nōmē-əl)