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tuff
1[ tuhf ]
/ tʌf /
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adjective Slang.
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Words nearby tuff
Other definitions for tuff (2 of 2)
tuff2
[ tuhf ]
/ tʌf /
noun Geology.
a fragmental rock consisting of the smaller kinds of volcanic detritus, as ash or cinder, usually more or less stratified.
Also called volcanic tuff.
Origin of tuff
2OTHER WORDS FROM tuff
tuff·a·ceous [tuh-fey-shuhs], /tʌˈfeɪ ʃəs/, adjectiveDictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use tuff in a sentence
British Dictionary definitions for tuff
tuff
/ (tʌf) /
noun
a rock formed by the fusing together on the ground of small rock fragments (less than 2 mm across) ejected from a volcano
Derived forms of tuff
tuffaceous (tʌˈfeɪʃəs), adjectiveWord Origin for tuff
C16: from Old French tuf, from Italian tufo; see tufa
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 tuff
tuff
[ tŭf ]
A rock made up of particles of volcanic ash, varying in size from fine sand to coarse gravel.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.