/klast/, n.
a grain of sediment, silt, sand, gravel, etc., esp. as a constituent fragment of a clastic rock formation, as distinguished from a chemical or biogenic component of such a formation.
[1950-55; prob. back formation from CLASTIC]

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  • clast — Element de compunere savantă cu semnificaţia sfărâmat , zdrobit . [var. clasto . / < fr. clast(o), cf. gr. klastos – sfărâmat]. Trimis de LauraGellner, 19.12.2004. Sursa: DN  CLASTO v. clast . Trimis de LauraGellner, 13.09.2007. Sursa: DN …   Dicționar Român

  • clast — an·gu·clast; bib·lio·clast; chon·dro·clast; icon·o·clast; myth·o·clast; odon·to·clast; os·te·o·clast; pheno·clast; py·ro·clast; clast; …   English syllables

  • clast — noun Etymology: Greek klastos broken, from klan to break; perhaps akin to Latin clades disaster Date: 1952 a fragment of rock …   New Collegiate Dictionary

  • clast — noun /klæst/ a fragment of rock that was broken from a larger rock or rock unit …   Wiktionary

  • -clast — [Gr. klastēs breaker, from klan to break] a word termination denoting that which breaks or destroys …   Medical dictionary

  • clast —    An individual constituent, grain, or fragment of sediment or rock, produced by the mechanical weathering (disintegration) of a larger rock mass.    HP …   Glossary of landform and geologic terms

  • clast — n. individual rock fragment that has broken off a larger piece of rock …   English contemporary dictionary

  • clast — [klast] noun Geology a constituent fragment of a clastic rock. Origin mid 20th cent.: back form. from clastic …   English new terms dictionary

  • clast — [[t]klæst[/t]] n. gel pet a fragment of a clastic rock formation • Etymology: 1950–55; prob. back formation from clastic …   From formal English to slang

  • clast — noun (geology) a constituent fragment of a clastic rock • Derivationally related forms: ↑clastic • Topics: ↑geology • Hypernyms: ↑fragment • Part Holonyms: ↑ …   Useful english dictionary

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