- flame-fusion process
- /flaym"fyooh"zheuhn/.See Verneuil process.
Useful english dictionary. 2012.
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flame-fusion process — /flaym fyooh zheuhn/. See Verneuil process. * * * … Universalium
Verneuil process — The Verneuil process, also called flame fusion, was the first commercially successful method of manufacturing synthetic gemstones, developed in 1902 by the French chemist Auguste Verneuil. It is primarily used to produce the ruby and sapphire… … Wikipedia
Verneuil process — /verr noy /; Fr. /verdd nue yeu/ a process for making synthetic rubies, sapphires, spinels, etc., by the fusion at high temperatures of powdered compounds. Also called flame fusion process. [named after A.V.L. Verneuil, 19th century French… … Universalium
verneuil process — noun or verneuil method (ˈ)ver|nər , nə̄ē, F vernœœy Etymology: after A. V. L. Verneuil, 19th century French mineralogist : a procedure for growing large crystals (as of sapphire, ruby, spinel, or rutile) by adding the powdered material to the… … Useful english dictionary
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Ruby — This article is about the mineral. For other uses, see Ruby (disambiguation). Ruby Natural ruby crystals from Winza, Tanzania General Category … Wikipedia
Diamond simulant — Due to its low cost and close visual likeness to diamond, cubic zirconia has remained the most gemologically and economically important diamond simulant since 1976. The high price of gem grade diamonds, as well as significant ethical concerns of… … Wikipedia
Auguste Victor Louis Verneuil — (1856 1913) was a French chemist best known for inventing the first commercially viable process for the manufacture of synthetic gemstones. In 1902 he discovered the flame fusion process, today called the Verneuil Process, which remains in use… … Wikipedia
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welding — Technique for joining metallic parts, usually through the application of heat. Discovered in the 1st millennium AD during attempts to manipulate iron into useful shapes, the technique produced a strong, tough blade. Welding traditionally involved … Universalium