[ dahy-uh-treem ]
/ ˈdaɪ əˌtrim /
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a volcanic vent produced in a solid rock structure by the explosive energy of gases in magmas.
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Origin of diatreme
1930–35; dia- + Greek trêma hole
Words nearby diatreme
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
How to use diatreme in a sentence
Most maars have low rims composed of a mixture of loose fragments of volcanic rock and rocks torn from the walls of the diatreme.Volcanoes|Robert I. Tilling
Scientific definitions for diatreme
[ dī′ə-trēm′ ]
A volcanic pipe, filled with breccia, formed by a subterranean gaseous explosion. See illustration at batholith.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.