tuff: Meaning and Definition of

tuff

Pronunciation: (tuf), [key]
  1. tough (def. 13).

tuff

Pronunciation: (tuf), [key]
  1. a fragmental rock consisting of the smaller kinds of volcanic detritus, as ash or cinder, usually more or less stratified. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
See also:
tufa tuffet
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