outcrop

American  

[out-krop, out-krop] / ˈaʊtˌkrɒp, ˌaʊtˈkrɒp /

noun

1. Geology.

   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.

2. something that emerges suddenly or violently in the manner of an outcrop; outbreak.

   an outcrop of student demonstrations.

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verb (used without object)

outcropped, outcropping

1. to crop out, as strata.

outcrop British  

noun

1. part of a rock formation or mineral vein that appears at the surface of the earth

2. an emergence; appearance

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verb

1. (of rock strata, mineral veins, etc) to protrude through the surface of the earth

2. another word for crop out

outcrop Scientific  

/ out′krŏp′ /

1. An area of visible bedrock that is not covered with soil.

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Etymology

Origin of outcrop

First recorded in 1760–70; noun use of verb phrase crop out

Example Sentences

Kharg Island is a small coral outcrop in the Persian Gulf, roughly 15 miles off the Iranian coast.

From Barron's • Mar. 14, 2026

Literally the answer must be no: Any stories they tell are scientific interpretations of minerals, fossils, isotopes and other features, whether from a geology laboratory or rock outcrop.

From The Wall Street Journal • Jan. 16, 2026

An accompanying conservation plan would convey the 30-acre rocky outcrop that hosts the Quercus palmeri , or Palmer’s oak, to a Native tribe.

From Los Angeles Times • Sep. 8, 2024

Fawziyah plunged from a rocky outcrop on Arthur's Seat during a trip to Edinburgh with her husband.

From BBC • Sep. 2, 2024

From the corner of my eye, I noticed Mara running toward a rocky outcrop, and Smithy to another one next to her.

From "The Many Assassinations of Samir, the Seller of Dreams" by Daniel Nayeri

Related Words

• offshoot