denominator

[dih-nom-uh-ney-ter] /dɪˈnɒm əˌneɪ tər/
noun
1.
Arithmetic. that term of a fraction, usually written under the line, that indicates the number of equal parts into which the unit is divided; divisor.
Compare numerator (def 1).
2.
something shared or held in common; standard.
3.
Archaic. a person or thing that denominates.
Origin of denominator
1535-1545
1535-45; < Medieval Latin dēnōminātor, equivalent to Latin dēnōminā(re) (see denominate) + -tor -tor
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Examples from the Web for denominator
Historical Examples
• Happiness, said Carlyle, is as the value of a common fraction, which results from dividing the numerator by the denominator.

Frank Crane
• The denominator of decimals is never written, the dot placed before the first figure of the numerator expressing its value.

• P is not a mere average, but is a weighted average, and T is always the denominator in the formula for P.

Benjamin M. Anderson, Jr.
• One factor in the numerator and one in the denominator make a “pair” of factors.

Franklin D. Jones
• The fools are eternally trying to get happiness by multiplying the numerator, the wise divide the denominator.

Frank Crane
• It is then indicated at the extreme right of the denominator (fig. 353).

Federal Bureau of Investigation
• The numerator usually refers to the vertical distance, and the denominator to the horizontal distance.

James A. Moss
• The terms numerator and denominator are connected with the upper and lower numbers composing a fraction.

Edward L. Thorndike
• In preparing a study of this kind one feels the need of limiting its scope, by reducing the denominator as Arthur Helps remarked.

A. Lawrence Lowell
• Hence, the numerator of a fractional exponent indicates the power, the denominator indicates the root.

Romeyn Henry Rivenburg
British Dictionary definitions for denominator

denominator

/dɪˈnɒmɪˌneɪtə/
noun
1.
the divisor of a fraction, as 8 in 7/8 Compare numerator (sense 1)
2.
(archaic) a person or thing that denominates or designates
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for denominator
n.

1540s, in mathematics, from Medieval Latin denominator, agent noun from past participle stem of denominare (see denomination).

Online Etymology Dictionary, © 2010 Douglas Harper
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denominator in Science
 denominator   (dĭ-nŏm'ə-nā'tər)    The number below or to the right of the line in a fraction, indicating the number of equal parts into which one whole is divided. For example, in the fraction 2/7 , 7 is the denominator.
The American Heritage® Science Dictionary
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denominator in Culture
denominator [(di-nom-uh-nay-tuhr)]

In mathematics, the number that appears on the bottom of a fraction. In the fraction 2/3, the denominator is 3. (Compare numerator.)

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
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Difficulty index for denominator

Most English speakers likely know this word

Word Value for denominator

14
17
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