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additive identity

American  

noun

Mathematics.

  1. an element that when added to a given element in a specified set leaves that element unchanged, as zero in the real-number system.

Etymology

Origin of additive identity

First recorded in 1955–60

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.