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zone melting

American  

noun

  1. a process of purifying any of various metals and other materials, as germanium or silicon, by passing it in bar form through an induction coil.

Etymology

Origin of zone melting

First recorded in 1955–60

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.