different between rhyolite vs tuff

rhyolite

English

Etymology

Coined by Ferdinand von Richthofen as German Rhyolith, from Ancient Greek ??? (rhé?, flow) + ????? (líthos, stone) (modified to +? -lite).

Noun

rhyolite (countable and uncountable, plural rhyolites)

  1. (geology) An igneous, volcanic (extrusive) rock, of felsic composition, with aphanitic to porphyritic texture.
    Synonyms: liparite, quartz-trachyte

Derived terms

  • rhyolitic

Translations

rhyolite From the web:

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tuff

English

Etymology 1

From French tuffe, tuf, from Italian tufo, from Latin t?fus.

Pronunciation

  • IPA(key): /t?f/
  • Homophone: tough

Noun

tuff (countable and uncountable, plural tuffs)

  1. (petrology) A light porous rock, now especially a rock composed of compacted volcanic ash varying in size from fine sand to coarse gravel.
    Synonym: tufa
    • 2004, Richard Fortey, The Earth, Folio Society 2011, p. 9n:
Derived terms
  • tufflava
Translations

Etymology 2

Adjective

tuff (comparative tuffer, superlative tuffest)

  1. Eye dialect spelling of tough.

Further reading

  • tuff on Wikipedia.Wikipedia

References

  • Century Dictionary and Cyclopedia, tuff

Swedish

Etymology

From English tough.

Pronunciation

  • IPA(key): /t?f/

Adjective

tuff (comparative tuffare, superlative tuffast)

  1. (slang) cool
  2. (slang) tough

tuff From the web:

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  • tough means tagalog
  • tuffet meaning
  • truffle means
  • tuffy meaning
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