Vello process

noun

Ve·​llo process

ˈvel(ˌ)yō-

: a process for producing glass tubing by dropping molten glass through an annular space surrounding a rotating hollow pipe, the diameter of the tubing being determined by pressure of the air passed through the pipe, drawing speed, and temperature of the glass

Word History

Etymology

after Leopoldo Sanchez-Vello, 20th century Spanish inventor

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