Clast Definition

klăst
noun
A rock fragment or grain resulting from the breakdown of larger rocks.
American Heritage
suffix

Something that breaks or destroys.

Wiktionary

Other Word Forms of Clast

Noun

Singular:
clast
Plural:
clasts

Origin 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

  • Back-formation from clastic.

    From Wiktionary

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