ignimbrite
[ ig-nim-brahyt ]
/ ˈɪg nɪmˌbraɪt /
noun Petrology.
a fine-grained volcanic rock consisting mainly of welded shards of feldspar and quartz.
Nearby words
ignatius of loyola, ignatius of loyola, saint, igneous, igneous rock, ignescent, ignimbrite, ignipuncture, ignis fatuus, ignitable, ignite, igniter
Origin of ignimbrite
Also called welded tuff.
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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
Science 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.