[vur-noi; French ver-nœ-yuh]
a process for making synthetic rubies, sapphires, spinels, etc., by the fusion at high temperatures of powdered compounds.
Origin of Verneuil process
named after A.V.L. Verneuil, 19th-century French mineralogist
Also called flame-fusion process.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019