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ALL meanings of verneuil process

Ver·neuil proc·ess
V v
  • noun verneuil process a process for making synthetic rubies, sapphires, spinels, etc., by the fusion at high temperatures of powdered compounds. 1
  • noun verneuil process The first commercially successful method of manufacturing synthetic gemstones, involving the melting of a finely powdered substance using an oxyhydrogen flame and crystallising the melted droplets into a boule. 0
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