pyrophane

English

Etymology

pyro- +‎ Ancient Greek φαίνω (phaínō, “I show or shine”)

Noun

pyrophane (countable and uncountable, plural pyrophanes)

  1. (mineralogy) A mineral which is opaque in its natural state, but is said to change its color and become transparent by heat.

References
  • pyrophane in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.

Anagrams
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