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n. A rock composed of compacted volcanic ash varying in size from fine sand to coarse gravel. Also called tufa.

adj. older and simplified spelling of tough

n. A light porous rock, now especially a rock composed of compacted volcanic ash varying in size from fine sand to coarse gravel.

n. Same as tufa.

n. Same as tuft.

An old spelling of tough.

n. A volcanic fragmental rock, varying from coarse deposits made of materials resembling fine gravel in size to those which are like the finest sand.

n. hard volcanic rock composed of compacted volcanic ash

"To the hypocrite Christopher Dodd sitting there saying we are going to get tuff is hilarious."

volcanic rock   

tufflava   

tufa   

Slough    bluff    bruff    buff    cuff    duff    enough    fluff    gruff    guff   

tufa    clinkers    culm    pumice    breccia    shcool    dubstep    clay-slate    off-kilter    ejecta