Clast Definition
klăst
noun
A rock fragment or grain resulting from the breakdown of larger rocks.
American Heritage
Other Word Forms of Clast
Noun
Singular:
clastPlural:
clastsOrigin of Clast
From Ancient Greek κλαστός (klastos, “broken”), verbal adjective of κλάω (klaō, “to break”).
From Wiktionary
From Greek klastos broken from klān to break
From American Heritage Dictionary of the English Language, 5th Edition
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Back-formation from clastic.
From Wiktionary
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