# multiplication

[ muhl-tuh-pli-key-shuhn ]

/ ˌmʌl tə plɪˈkeɪ ʃən /

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### noun

the act or process of multiplying or the state of being multiplied.

Arithmetic. a mathematical operation, symbolized by a × b, a ⋅ b, a ∗ b, or ab, and signifying, when a and b are positive integers, that a is to be added to itself as many times as there are units in b; the addition of a number to itself as often as is indicated by another number, as in 2×3 or 5×10.

Mathematics. any generalization of this operation applicable to numbers other than integers, as fractions or irrational numbers.

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Improve Your Writing## Origin of multiplication

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Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

## How to use multiplication in a sentence

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## British Dictionary definitions for multiplication

multiplication

/ (ˌmʌltɪplɪˈkeɪʃən) /

### noun

an arithmetical operation, defined initially in terms of repeated addition, usually written a × b, a.b, or ab, by which the product of two quantities is calculated: to multiply a by positive integral b is to add a to itself b times. Multiplication by fractions can then be defined in the light of the associative and commutative properties; multiplication by 1/ n is equivalent to multiplication by 1 followed by division by n: for example 0.3 × 0.7 = 0.3 × 7/10 = (0.3 × 7)/10 = 2 1/10 = 0.21

the act of multiplying or state of being multiplied

the act or process in animals, plants, or people of reproducing or breeding

## Derived forms of multiplication

multiplicational, adjectiveCollins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

## Medical definitions for multiplication

multiplication

[ mŭl′tə-plĭ-kā′shən ]

### n.

The act or process of multiplying or the condition of being multiplied.

Propagation of plants and animals; procreation.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

## Scientific definitions for multiplication

multiplication

[ mŭl′tə-plĭ-kā′shən ]

A mathematical operation performed on a pair of numbers in order to derive a third number called a product. For positive integers, multiplication consists of adding a number (the multiplicand) to itself a specified number of times. Thus multiplying 6 by 3 means adding 6 to itself three times. The operation of multiplication is extended to other real numbers according to the rules governing the multiplicative properties of positive integers.

Any of certain analogous operations involving mathematical objects other than numbers.

The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.