additive Hear it!

additive definition

ad·di·tive (ad′ə tiv)

adjective

  1. showing or relating to addition
  2. to be added

Etymology: LL additivus: see add

noun

a substance added to another in small quantities to produce a desired effect, as a preservative added to food or an antiknock added to gasoline

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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