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Tuff
noun
/tʌf/
Word Frequency:
0.5
Definitions
1.
noun
A light porous rock, now especially a rock composed of compacted volcanic ash varying in size from fine sand to coarse gravel.
Synonyms
tufa
rhyolitic
dacite
rhyolite
palagonite
dacitic
breccia
pumiceous
tephra
sinter
vitric
ufc
Rhymes With
puff
chuff
gruff
rough
buff
tough
slough
bluff
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