Biology. breaking up into fragments or separate portions; dividing into parts.
pertaining to an anatomical model made up of detachable pieces.
Geology. noting or pertaining to rock or rocks composed of fragments or particles of older rocks or previously existing solid matter; fragmental.
- non·clas·tic, adjective
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How to use clastic in a sentence
Lastly, the name clastic has been given, because the rocks so called are formed by the breaking up of pre-existing rocks.The Principles of Stratigraphical Geology | J. E. Marr
clastic, klas′tik, adj. breaking into fragments, fragmental.
British Dictionary definitions for clastic
(of sedimentary rock, etc) composed of fragments of pre-existing rock that have been transported some distance from their points of origin
biology dividing into parts: a clastic cell
able to be dismantled for study or observation: a clastic model of the brain
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