additive inverse

noun

Definition of additive inverse

:a number that when added to a given number gives zero
  • the additive inverse of 4 is −4
— compare opposite 3

First Known Use of additive inverse

1953


Learn More about additive inverse


Seen and Heard

What made you want to look up additive inverse? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

a blind with adjustable horizontal slats

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!