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clast
[ klast ]
/ klæst /
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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.
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Origin of clast
First recorded in 1950–55; probably back formation from clastic
Words nearby clast
classroom assistant, class structure, class struggle, classwork, classy, clast, clastic, clat, clathrate, clathrin, clatter
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
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′tÄk)The American Heritage® Science Dictionary
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