San Andreas fault Hear it!

San Andreas fault definition

☆ San An·dreas fault (san an drā′əs)

active fault in the earth's crust extending northwest from S California for about 600 miles (966 km)

Etymology: after San Andreas valley, through which the fault runs: orig. Sp, San Andrés, St. Andrew

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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