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2017 Word of the Year

zone melting

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.
Also called zone refining.
Origin of zone melting
1955-1960
First recorded in 1955-60
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Word Value for zone

13
14
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