- zone-refined
- adjective see zone refining
New Collegiate Dictionary. 2001.
zone-refined
Look at other dictionaries:
zone-refined — adjective see zone refining … Useful english dictionary
zone refining — noun Date: 1952 a technique for the purification of a crystalline material and especially a metal in which a molten region travels through the material to be refined, picks up impurities at its advancing edge, and then allows the purified part to … New Collegiate Dictionary
zone refining — noun also zone melting : a technique for the purification of a crystalline material (as a metal or semiconductor) in which a molten region travels through the material to be refined, picks up impurities at its advancing edge, and then allows the… … Useful english dictionary
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zone melting — 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. Also called zone refining. Cf. cage zone melting. [1955 60] * * * Any of a group of techniques used to … Universalium
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