clast
[ klast ]
noun
a grain of sediment, silt, sand, gravel, etc., especially as a constituent fragment of a clastic rock formation, as distinguished from a chemical or biogenic component of such a formation.
Origin of clast
1First recorded in 1950–55; probably back formation from clastic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use clast in a sentence
One of the cleverest of all the Clasts, with the true pass-word for the Cabinet.
Scientific definitions for clast
clast
[ klăst ]
A rock fragment or grain resulting from the breakdown of larger rocks.
Other words from clast
- clastic adjective (klăs′tĭk)
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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