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Definition of "carbonaceous" [car•bo•na•ceous]

  • Consisting of, containing, relating to, or yielding carbon. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "carbonaceous" in a sentence
  • "If the bombardment involved not only comets but also a bunch of these wet meteorites, called carbonaceous chondrites, then the overall deuterium-to-hydrogen ratio of the water raining down from the heavens could have been about right for forming today's oceans and lakes."
  • "To help confirm if any nucleobases seen in meteorites were of extraterrestrial origin, scientists used the latest scientific analysis techniques on samples from a dozen meteorites - 11 organic-rich meteorites called carbonaceous chondrites and one ureilite, a very rare type of meteorite with a different chemical composition."
  • "Andrew Scott of Royal Holloway, University of London in Egham, United Kingdom, and colleagues used four kinds of microscopy to take a closer look at the odd debris, known as carbonaceous spherules."