- a breaking forth; specif., the emergence of a mineral from the earth so as to be exposed on the surface: an outcrop of a vein of coal
- any rock formation exposed on the surface or, sometimes, covered by a thin layer of soil, gravel, etc.
intransitive verb-·cropped′, -·crop′ping
- to emerge from the earth in this way
- to break forth
A portion of bedrock or other stratum protruding through the soil level.
intransitive verbout·cropped, out·crop·ping, out·crops
To protrude above the soil, as rock formations.
Origin of outcropout crop to appear on the surface
(third-person singular simple present outcrops, present participle outcropping, simple past and past participle outcropped)
- (geology, of a stratum) To come out to the surface of the ground.