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kerogen

[ker-uh-juh n, -jen]
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noun
  1. the bituminous matter in oil shale, from which shale oil is obtained by heating and distillation.
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Origin of kerogen

1905–10; < Greek kēró(s) wax + -gen
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for kerogen

kerogen

noun
  1. the solid organic material found in some rocks, such as oil shales, that produces hydrocarbons similar to petroleum when heated
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Word Origin

C20: from Greek kēro (s) wax + -gen
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

kerogen in Science

kerogen

[kĕrə-jən]
  1. A fossilized mixture of insoluble organic material that, when heated, breaks down into petroleum and natural gas. Kerogen consists of carbon, hydrogen, oxygen, nitrogen, and sulfur and forms from compacted organic material, including algae, pollen, spores and spore coats, and insects. It is usually found in sedimentary rocks, such as shale.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.