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Verneuil process

[vur-noi; French ver-nœ-yuh]
noun
  1. a process for making synthetic rubies, sapphires, spinels, etc., by the fusion at high temperatures of powdered compounds.
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Origin of Verneuil process

named after A.V.L. Verneuil, 19th-century French mineralogist
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018