multiplicative identity

noun Mathematics.

an identity that when used to multiply a given element in a specified set leaves that element unchanged, as the number 1 for the real-number system.

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Nearby words

multiplication sign, multiplication table, multiplicative, multiplicative division, multiplicative group, multiplicative identity, multiplicative inverse, multiplicity, multiplier, multiplier effect, multiply

Origin of multiplicative identity

First recorded in 1955–60

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019