noun mul·ti·pli·ca·tion \ˌməl-tə-plə-ˈkā-shən\

mathematics : the process of adding a number to itself a certain number of times : the act or process of multiplying numbers

: an increase in the number or amount of something

Full Definition of MULTIPLICATION

:  the act or process of multiplying :  the state of being multiplied
a :  a mathematical operation that at its simplest is an abbreviated process of adding an integer to itself a specified number of times and that is extended to other numbers in accordance with laws that are valid for integers
b :  any of various mathematical operations that are analogous in some way to multiplication of the real numbers but are defined for other or larger sets of elements (as complex numbers, vectors, matrices, or functions)


  1. Students are learning multiplication and division.
  2. a disease causing uncontrolled multiplication of cells
  3. an uncontrolled multiplication of cells


Middle English multiplicacioun, from Anglo-French multiplicacion, from Latin multiplication-, multiplicatio, from multiplicare to multiply
First Known Use: 14th century

Other Mathematics and Statistics Terms

abscissa, denominator, divisor, equilateral, exponent, hypotenuse, logarithm, oblique, radii, rhomb


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noun mul·ti·pli·ca·tion \ˌməl-tə-plə-ˈkā-shən\

Definition of MULTIPLICATION for Kids

:  a short way of finding out what would be the result of adding one number the number of times indicated by a second number <The multiplication of 7 by 3 is equal to 7 plus 7 plus 7, which gives 21.>
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