phosphorous Hear it!

phosphorous definition

phos·pho·rous (fäs′fə rəs, fäs fôr′əs)

adjective

  1. phosphorescent

  2. Etymology: Fr phosphoreux

    of, like, or containing phosphorus, esp. trivalent phosphorus

Etymology: phosphor(us) + -ous

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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