-ous Hear it!

-ous definition

-ous (əs)

  1. having, full of, characterized by beauteous, capacious
  2. Chem. having a lower valence than is indicated by the suffix -ic mercurous

Etymology: ME < L -us & OFr -ous, -eus, < L -osus

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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