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91 results for: multiplication

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Dictionary Entries (8 more entries. View all »)
Dictionary.com Unabridged (v 1.1)Cite This Source
mul·ti·pli·ca·tion    Audio Help   [muhl-tuh-pli-key-shuhn] Pronunciation Key
–noun
1.the act or process of multiplying or the state of being multiplied.
2.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.
3.Mathematics. any generalization of this operation applicable to numbers other than integers, as fractions or irrational numbers.
[Origin: 1350–1400; ME multiplicacio(u)n < L multiplicātiōn- (s. of multiplicātiō). See multi-, plication]

—Related forms
mul·ti·pli·ca·tion·al, adjective
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Thesaurus Entries
  Roget's II: The New ThesaurusCite This Source
Main Entry:  buildup
Part of Speech:  noun
Definition:  The result or product of building up.
Synonyms:  accretion, development, enlargement, proliferation
Source:  Roget's II: The New Thesaurus, Third Edition
by the Editors of the American Heritage® Dictionary.
Copyright © 2003, 1995 by Houghton Mifflin Harcourt Publishing Company.
Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
  Roget's II: The New ThesaurusCite This Source
Main Entry:  increase
Part of Speech:  noun
Definition:  The act of increasing or rising.
Synonyms:  aggrandizement, amplification, augment, augmentation, boost, buildup, enlargement, escalation, growth, hike, jump, proliferation, raise, rise, swell, upsurge, upswing, upturn
Source:  Roget's II: The New Thesaurus, Third Edition
by the Editors of the American Heritage® Dictionary.
Copyright © 2003, 1995 by Houghton Mifflin Harcourt Publishing Company.
Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
  Roget's II: The New ThesaurusCite This Source
Main Entry:  reproduction
Part of Speech:  noun
Definition:  The process by which an organism produces others of its kind.
Synonyms:  breeding, procreation, proliferation, propagation, spawning
Source:  Roget's II: The New Thesaurus, Third Edition
by the Editors of the American Heritage® Dictionary.
Copyright © 2003, 1995 by Houghton Mifflin Harcourt Publishing Company.
Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Encyclopedia Articles (78 more entries. View all »)
Columbia Electronic EncyclopediaCite This Source


multiplication, fundamental operation in arithmetic and algebra. Multiplication by a whole number can be interpreted as successive addition. For example, a number N multiplied by 3 is N + N + N. In general, multiplying positive numbers N and M gives the area of the rectangle with sides N and M. The result of a multiplication is known as the product. Numbers that give a product when multiplied together are called factors of that product. The symbol of the operation is × or · and, in algebra, simple juxtaposition (e.g., xy means x×y or x·y). Like addition, multiplication, in arithmetic and elementary algebra, obeys the associative law, the commutative law, and, in combination with addition, the distributive law. Multiplication in abstract algebra, as between vectors or other mathematical objects, does not always obey these rules. Quantities with unlike units may sometimes be multiplied, resulting in such units as foot-pounds, gram-centimeters, and kilowatt-hours. See also division. 
The Columbia Electronic Encyclopedia Copyright © 2004, Columbia University Press.
Licensed from Columbia University Press




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