clastic

[ klas-tik ]
/ ˈklæs tɪk /
|

adjective

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.

Nearby words

  1. classroom,
  2. classroom assistant,
  3. classwork,
  4. classy,
  5. clast,
  6. clastogenic,
  7. clastothrix,
  8. clat,
  9. clathrate,
  10. clathrin

Origin of clastic

1870–75; < Greek klastós broken in pieces (klas- variant stem of klân to break + -tos verbal adjective suffix) + -ic

Related formsnon·clas·tic, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for clastic



British Dictionary definitions for clastic

clastic

/ (ˈklæstɪk) /

adjective

(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 partsa clastic cell
able to be dismantled for study or observationa clastic model of the brain

Word Origin for clastic

C19: from Greek klastos shattered, from klan to break

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

Word Origin and History for clastic

clastic

adj.

"consisting of broken pieces," 1875, in geology, from Latinized form of Greek klastos "broken in pieces," from klan, klaein "to break," from PIE *kla-, variant of root *kel- "to strike."

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for clastic

clastic

[ klăstĭk ]

adj.

Breaking up into pieces or exhibiting a tendency to break or divide.
Separable into parts or having removable sections, as an anatomical model.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for clastic

clast

[ klăst ]

A rock fragment or grain resulting from the breakdown of larger rocks.
Related formsclastic adjective (klăstĭk)

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.