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ignimbrite

[ ig-nim-brahyt ]
/ ˈɪg nɪmˌbraɪt /

noun Petrology.

a fine-grained volcanic rock consisting mainly of welded shards of feldspar and quartz.

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Also called welded tuff.

Origin of ignimbrite

1932; <Latin ign(is) fire + imbr-, stem of imber rain, shower + -ite1

Words nearby ignimbrite

Ignatius of Loyola, Ignatius of Loyola, Saint, igneous, igneous rock, ignescent, ignimbrite, ignipuncture, ignis fatuus, ignite, igniter, ignition
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for ignimbrite

ignimbrite
/ (ˈɪɡnɪmˌbraɪt) /

noun

a rock formed by the deposition at high temperature and the consolidation of a nuée ardente or other type of ash flow, being a complicated mixture of volcanic materials welded together by heat, hot gases, and pressureAlso called: welded tuft See tuft

Word Origin for ignimbrite

C20: from Latin ign (is) fire + imbr (is), imber shower of rain + -ite 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for ignimbrite

ignimbrite
[ ĭg′nĭm-brīt′ ]

A volcanic rock formed by the consolidation of volcanic ash and other material ejected by an explosive volcanic eruption.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.