verneuil process

noun

ver·​neuil process

variants or verneuil method

(ˈ)ver¦nər-,

-nə̄ē,

F vernœœy

: a procedure for growing large crystals (as of sapphire, ruby, spinel, or rutile) by adding the powdered material to the top of a rod the end of which is maintained at or close to the melting point by a flame directed vertically downward upon it

Word History

Etymology

after Auguste Victor Louis Verneuil †1913, French chemist who devised it

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