Definition of additive identity
: an identity element (as 0 in the group of whole numbers under the operation of addition) that in a given mathematical system leaves unchanged any element to which it is added
First Known Use of additive identity
Learn More about additive identity
Britannica.com: Encyclopedia article about "additive identity"
Seen and Heard
What made you want to look up additive identity? Please tell us where you read or heard it (including the quote, if possible).