petr-

Variant of petro-

petro- definition

petro- (pe′trō, -trə)

  1. rock or stone petrography
    also, before a vowel, petr-
  2. petroleum petrochemical
  3. of or relating to the petroleum business petrodollars, petropolitics

Etymology: < Gr petra, rock, or petros, stone

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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