volcanic rock made from ash and cinders
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Tuff Definition from Language, Idioms & Slang Dictionaries & Glossaries
(n.)
Same as Tufa.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. AboutSame as Tufa.
tuff
\tuff\ (?), n. (min.) same as tufa.
tuff
n : hard volcanic rock composed of compacted volcanic ash [syn: tufa]
similar words(1)
trap tuff
Noun
1. hard volcanic rock composed of compacted volcanic ash
(synonym) tufa
(hypernym) volcanic rock
Tuff Definition from Science & Technology Dictionaries & Glossaries
—Volcanic rock of compacted medium to fine-grained pyroclastic material.
The general term for consolidated pyroclastic debris.
Tuff Definition from Encyclopedia Dictionaries & Glossaries
Tuff (from the Italian tufo) is a type of rock consisting of consolidated volcanic ash ejected from vents during a volcanic eruption. Tuff is sometimes called tufa, particularly when used as construction material, although tufa also refers to a quite different rock. Rock that contains greater than 50% tuff is considered tuffaceous.
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Tuff Definition from Entertainment & Music Dictionaries & Glossaries
