multiplicative identity

noun

Definition of multiplicative identity

: an identity element (such as 1 in the group of rational numbers without 0) that in a given mathematical system leaves unchanged any element by which it is multiplied

First Known Use of multiplicative identity

1958, in the meaning defined above

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The first known use of multiplicative identity was in 1958

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Cite this Entry

“Multiplicative identity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/multiplicative%20identity. Accessed 3 Dec. 2020.

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Britannica.com: Encyclopedia article about multiplicative identity

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