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definitions

isopyre

[ ahy-suh-pahyuh r ]
/ ˈaɪ səˌpaɪər /

noun Mineralogy.

an impure variety of opal, containing alumina, lime, and iron sesquioxide.

Nearby words

  1. isopter,
  2. isopteran,
  3. isopterous,
  4. isopycnal,
  5. isopycnic,
  6. isorhythm,
  7. isorhythmic,
  8. isorrhea,
  9. isosbestic point,
  10. isosceles

Origin of isopyre

1820–30; iso- + Greek pŷr fire
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019