petrous
petrous definition
pet·rous (pe′trəs, pē′trəs)
adjective
- of or like rock; hard; stony
Etymology: ML petrosus
designating or of that part of the temporal bone which surrounds and protects the internal ear
Etymology: L petrosus, rocky < petra, rock < Gr
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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