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mastery definition

mas·tery (mas′tər ē, mäs′-)

noun pl. masteries -·ter·ies

  1. mastership; rule; control
  2. ascendancy or victory in struggle or competition; the upper hand
  3. masterly ability; expert skill or knowledge his mastery of chess
  4. the act of mastering (an art, science, etc.)

Etymology: ME maistrie < OFr: see master

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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