an element that when added to a given element in a specified set leaves that element unchanged, as zero in the real-number system.
Dictionary.com’s 2015 Word Of The Year: IdentityIn 2015, Dictionary.com saw a number of themes emerge in the words that gained enough traction to be added to the dictionary along with words that trended in user lookups. The most prominent theme across both of these areas was in the expanding and increasingly fluid nature of conversations about gender and sexuality. Additionally, the theme of racial identity led to some of the most …
Origin of additive identity
First recorded in 1955–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019