perthite

[ pur-thahyt ]
/ ˈpɜr θaɪt /

noun Mineralogy.

a variety of feldspar containing irregular bands of albite in microcline.

Nearby words

  1. pertain,
  2. perth,
  3. perth amboy,
  4. perth and kinross,
  5. perthes disease,
  6. perthitic,
  7. perthshire,
  8. pertinacious,
  9. pertinacity,
  10. pertinence

Origin of perthite

1832; named after Perth, Ontario, Canada; see -ite1

Related formsper·thit·ic [per-thit-ik] /pərˈθɪt ɪk/, adjectiveper·thit·i·cal·ly, adverb

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019