tuff


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tuff

 (tŭf)
n.
A rock composed of compacted volcanic ash varying in size from fine sand to coarse gravel.

[French tuf, from Old French, from Old Italian tufo, tufa; see tufa.]

tuff·a′ceous (tŭ-fā′shəs) adj.

tuff

(tʌf)
n
(Geological Science) a rock formed by the fusing together on the ground of small rock fragments (less than 2 mm across) ejected from a volcano
[C16: from Old French tuf, from Italian tufo; see tufa]
tuffaceous adj

tuff

(tʌf)

n.
a fragmental rock consisting of the smaller kinds of volcanic detritus, as ash or cinder, usu. more or less stratified.
[1560–70; < Middle French tuf(e) < Italian tufo. See tufa]
tuff•a′ceous, adj.

tuff

(tŭf)
A rock made up of particles of volcanic ash, varying in size from fine sand to coarse gravel.

tuff

A rock made up of compacted volcanic ash; also known as tufa.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tuff - hard volcanic rock composed of compacted volcanic ashtuff - hard volcanic rock composed of compacted volcanic ash
volcanic rock - extrusive igneous rock solidified near or on the surface of the Earth
References in classic literature ?
These consist either of lava or scoriae, or of finely- stratified, sandstone-like tuff.
Tuff Love play Voodoo Rooms, Edinburgh, tomorrow and The Hug and Pint, Glasgow, November 21.
He praised TUff FC founder Dr Shamender Talwar "for having the strength to lead in challenging times".
The 51-year-old DJ from Adelaide has been labelled as Australia's Godfather of Techno but Late Nite Tuff Guy is a much bigger fan of soul and disco.
It was a finalist in the Liverpool Echo Business Awards 2015 and managing director Graham Price and all the staff at Tuff X would like to wish David good luck in his title bout this Friday.
For her winning entry, Dorr will receive a prize package from sweepstakes sponsors Corral Boots, Cowgirl Tuff Company, and B.
Tata Motors (NYSE: TTM), an India-based automaker, has collaborated with its Australian distributor to develop a rugged-looking concept vehicle called Tuff Truck.
Mrs Tuff, who is married to Garry, 53, was diagnosed with MSA in February last year and is on medication five times a day, which has so far stabilised her condition.
Mrs Tuff, who is married to Garry , 53, was diagnosed with MSA in February last year and is on medication five times a day, which has so far stabilised her condition.
Tuff brings almost 20 years of experience at Monitor working in a wide range of industries that include pharmaceuticals, medical devices and consumer products, making him an apt fit for Ximedica's board.
That place wasn't difficult to create, says Phil Worth, director of marketing for Tuff Shed, which employs more than 700 people and nets around $120 million in sales annually.
BEARS: Matej Kus 11+1, Gary Havelock 10, Robert Branford 9+3, Rohan Tungate 8, Adam Roynon 7+2, Peter Juul 6+1, Aaron Summers 5+1, Tuff McBride 2, Chris Thomas 1.