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Rhyolite vs Tuff - What's the difference?

rhyolite | tuff |

As nouns the difference between rhyolite and tuff

is that rhyolite is an igneous, volcanic (extrusive) rock, of felsic composition, with aphanitic to porphyritic texture while tuff is a light porous rock, now especially a rock composed of compacted volcanic ash varying in size from fine sand to coarse gravel.

As an adjective tuff is

older and simplified spelling of tough.

rhyolite

English

Noun

(wikipedia rhyolite)
  • (geology) An igneous, volcanic (extrusive) rock, of felsic composition, with aphanitic to porphyritic texture.

    • Derived terms

    * rhyolitic

    tuff

    English

    Etymology 1

    From (etyl)

    Adjective

    (er)
  • older and simplified spelling of tough
  • :* {{quote-book
    • , year=1980 , year_published= , edition= , editor= , author=Joy Wilt Berry, Ernie Hergenroeder , title=Tuff Stuff: A Children's Book about Trauma , chapter= citation , genre= , publisher=Educational Products Division, Word, Inc. , isbn=9780849981364 , page= , passage=Tuff Stuff teaches that while life may go smoothly most of the time, ... }}
  • :* {{quote-book
    • , year=2000 , year_published= , edition= , editor=Sylvia Bowerbank, Sara Mendelson , author=Margaret Cavendish , title=Paper Bodies , chapter=Preface to the Reader (1655) citation , genre= , publisher= , isbn=9781551111735 , page=139 , passage=… 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 … }}
  • :* {{quote-book
    • , year=2003 , year_published= , edition= , editor= , author=Ronald Carter , title=The Routledge Guide to Modern English Writing , chapter= citation , genre=Language Arts , publisher=Routledge , isbn=9780415286367 , page=96 , passage=It was rave reviewed in the Caribbean Times as 'the ruffest, tuffest and the boo-yacka of all modern gangster novels'. }}
  • :* {{quote-book
    • , year=2006 , year_published= , edition= , editor= , author=Paige Hemmis , title=The Tuff Chix Guide to Easy Home Improvement , chapter= citation , genre= , publisher=Penguin , isbn=9780452287617 , page=36 , passage=TUFF METER }}
  • :* {{quote-web
    • , date=2010-01-20 , year= , first= , last= , author=Robert J. Elisberg , authorlink= , title=CES 2020 -- Ohm on the Range , site=Huffington Post citation , archiveorg= , accessdate=2012-09-14 , passage=Its Tuff'-n-Tiny USB flash drive is about the size of a thumbnail. … The company insists that the "' tuff " part of the name is well-earned for being waterproof, dustproof and you can drive a car over it. }}
  • :* {{quote-book
    • , year=2011 , year_published= , edition= , editor= , author=Kristian Pope , title=Tuff Stuff Professional Wrestling Field Guide: Legend and Lore , chapter= citation , genre= , publisher=Krause Publications , isbn=9781440228100 , page= , passage=Tuff Stuff Professional Wrestling }}

    References

    * Century Dictionary and Cyclopedia, tuff (wikipedia tuff)

    Etymology 2

    From (etyl) tuffe, (tuf), from (etyl) tufo, from (etyl) .

    Noun

  • (rock) A light porous rock, now especially a rock composed of compacted volcanic ash varying in size from fine sand to coarse gravel.
  • * 2004 , (Richard Fortey), The Earth , Folio Society 2011, p. 9n:
    • This is what makes an ignimbrite; the general term for this kind of volcaniclastic rock is ‘tuff ’.
    Related terms
    * tufflava