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volcaniclastic

American  
[vol-kan-i-klas-tik] / vɒlˌkæn ɪˈklæs tɪk /
Also volcanoclastic

adjective

Geology.

  1. pyroclastic.

Etymology

Origin of volcaniclastic

1960–65; blend of volcanic and clastic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Volcaniclastic bedrock, in fact. Its conglomerates, sandstones and shales inform us that it's a submarine fan complex. 

From Scientific American

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.