bn:00078547n
Noun Concept
Categories: Articles with short description, Tephra, Wikipedia articles incorporating text from the 1911 Encyclopædia Britannica, long volume value, Volcanic rocks
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tuff  tufa  andesitic tuff  ashstone  basaltic tuff
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Hard volcanic rock composed of compacted volcanic ash WordNet 3.0
rock
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Hard volcanic rock composed of compacted volcanic ash WordNet 3.0 & Open English WordNet
Tuff is a type of rock made of volcanic ash ejected from a vent during a volcanic eruption. Wikipedia
Volcanic rock Wikidata
A variety of volcanic rock, tuff. Wiktionary
A light porous rock, now especially a rock composed of compacted volcanic ash varying in size from fine sand to coarse gravel. Wiktionary
A rock composed of compacted volcanic ash. Wiktionary (translation)
WordNet 3.0 & Open English WordNet
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