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[n. out-krop; v. out-krop] /n. ˈaʊtˌkrɒp; v. ˌaʊtˈkrɒp/
  1. a cropping out, as of a stratum or vein at the surface of the earth.
  2. the exposed portion of such a stratum or vein.
something that emerges suddenly or violently in the manner of an outcrop; outbreak:
an outcrop of student demonstrations.
verb (used without object), outcropped, outcropping.
to crop out, as strata.
Origin of outcrop
1760-70; noun use of verb phrase crop out Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for outcrop
  • One says he was born in a cave at the foot of a rock outcrop in the southern part of the city.
  • Every outcrop and plain was parsed by unseen tangents, lines, ghostly demarcations.
  • Visitors must lie flat in a shallow boat as it is pulled by wires under the outcrop.
  • We hump duffels and gear up a steep snowbank to an outcrop of broken shale and tussock.
  • Rock outcrop consists of barren rock that occur as ledges and nearly vertical cliffs of quartzite bedrock.
  • Rock outcrop also includes areas where the depth to bedrock is less than four inches.
  • Taken out of the context of its outcrop, clinker eludes identification.
British Dictionary definitions for outcrop


noun (ˈaʊtˌkrɒp)
part of a rock formation or mineral vein that appears at the surface of the earth
an emergence; appearance
verb (intransitive) (ˌaʊtˈkrɒp) -crops, -cropping, -cropped
(of rock strata, mineral veins, etc) to protrude through the surface of the earth
another word for crop out
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for outcrop

1805, in geology, "exposure of rocks at the surface," from out + crop (n.) in its sense of "sprout, head."

Online Etymology Dictionary, © 2010 Douglas Harper
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outcrop in Science
An area of visible bedrock that is not covered with soil.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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