from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Solidifying chiefly as a minor intrusion, especially as a dike or sill, before reaching the earth's surface. Used of rocks.

from The Century Dictionary.

  • In petrography, a term applied by Brögger (1894) to igneous rocks intermediate in texture between coarse-grained (abyssal) forms and extrusive lava.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective geology that solidifies, as a minor intrusion, before reaching the Earth's surface


Sorry, no etymologies found.


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  • This subsection contains mostly Miocene volcanic rocks, Tertiary subvolcanic (hypabyssal) rocks, and, on San Clemente Island, marine sedimentary rocks of the Franciscan Complex.

    Southern Channel Islands (Bailey) 2009


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