HyperDic: tuff

English > 1 sense of the word *tuff*:
NOUN	substance	tuff, tufa	hard volcanic rock composed of compacted volcanic ash

tuff > pronunciation
Sounds	tah'f
Rhymes	aleph ... woodruff: 40 rhymes with ahf...

English > *tuff*: 1 sense > noun 1, substance
Meaning	Hard volcanic rock composed of compacted volcanic ash.
Synonym	tufa
Broader	volcanic rock	extrusive igneous rock solidified near or on the surface of the Earth
Spanish	toba, toba volcánica
Catalan	toba, tova volcanica