numerator - Definitions from Dictionary.com

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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

nu·mer·a·tor

Audio Help [noo-muh-rey-ter, nyoo-] Pronunciation Key

–noun

1.	Arithmetic. the term of a fraction, usually above the line, that indicates the number of equal parts that are to be added together; the dividend placed over a divisor: The numerator of the fraction ²/₃ is 2. Compare denominator (def. 1).

2.	a person or thing that numbers.

[Origin: 1535–45; < LL numerātor a counter, numberer, equiv. to L numerā(re) to number + -tor -tor

]

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopædia Britannica, Inc.
numerator

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American Heritage Dictionary - Cite This Source - Share This

nu·mer·a·tor Audio Help (nōō'mə-rā'tər, nyōō'-) Pronunciation Key
n.

Mathematics
1. The expression written above the line in a common fraction to indicate the number of parts of the whole.
2. An expression to be divided by another; a dividend.
One that numbers; an enumerator.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

WordNet - Cite This Source - Share This

numerator
noun
the dividend of a fraction

The American Heritage Science Dictionary - Cite This Source - Share This

numerator Audio Help (n

'mə-rā'tər) Pronunciation Key
A number written above or to the left of the line in a common fraction to indicate the number of parts of the whole. For example, 2 is the numerator in the fraction ²/₇ .

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

American Heritage New Dictionary of Cultural Literacy, Third Edition - Cite This Source - Share This
numerator

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

[Chapter:] Physical Sciences and Mathematics

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Numerator

Nu"mer*a"tor\, n. [L. numerator: cf. F. num['e]rateur.]

1. One who numbers.

2. (Math.) The term in a fraction which indicates the number of fractional units that are taken.

Note: In a vulgar fraction the numerator is written above a line; thus, in the fraction 5/9 (five ninths) 5 is the numerator; in a decimal fraction it is the number which follows the decimal point. See Fraction.

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