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zodiacal light
zoetrope
zoftig
Zohar
-zoic
zoisite
zol
Zollinger-Ellison syndrome
Zollverein
zombie
zombie drone
zombification
zombify
zona pellucida
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zone refining
zone re·fin·ing


noun 
Definition:
 
metal purification technique: a technique for greatly purifying metals in which a molten area is made to pass along an otherwise solid bar so that impurities become concentrated at one end
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