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Definition of "clastic" [clas•tic]

  • Separable into parts or having removable sections: a clastic anatomical model. (adjective)
  • Geology Made up of fragments of preexisting rock; fragmental. (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 "clastic" in a sentence
  • "I still don't understand how that happened other than to think that somehow they didn' pay enough attention to the conference chair Andrew Miall - a noted clastic sedimentologist and maybe somebody the CSPG thought would be friendlier to their policy statement."
  • "Belize shelf - carbonate sediments, clastic sediments, and ecology."
  • "This quaternary plain was formed by the post-orogenic clastic depositing of sediment, derived from adjacent tectonic uplifts deposited in the basin of the lower Magdalena River that formed a platform of peat intercalated with sand and clay beds."