ammonia Hear it!

ammonia definition

am·mo·nia (ə mōn′yə; occas., -mō′nē ə)

noun

  1. a colorless, pungent gas, NH: its compounds are used as fertilizers, in medicine, etc.
  2. a 10% water solution of this gas
    in full ammonia water

Etymology: < (sal) ammoniac

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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