This is what makes an ignimbrite; the general term for this kind of volcaniclastic rock is ‘tuff’.
Source: wiktionary
Tuff
/tʌf/
Synonyms for "tuff" (17 found)
Ranked by relevance and common usage.
Related word relations
OpenGloss and ConceptNet supply richer edges like generalizations, collocations, and derivations.
More general
1 entriesvolcanic rock
Sample sentences
6 total sentences available.
Tuff Stuff teaches that while life may go smoothly most of the time, ...
Source: wiktionary
… yet never to make us so strong as the strongest of Men, whose Sinnews are tuffer, and Bones stronger, and Joints closer, and Flesh firmer, than ours are …
Source: wiktionary
It was rave reviewed in the Caribbean Times as 'the ruffest, tuffest and the boo-yacka of all modern gangster novels'.
Source: wiktionary
Showing 4 of 6 available sentences.