Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A purification technique for crystalline substances in which a heating system passes slowly over a bar of the material to be refined, creating a molten region that carries impurities with it across the bar.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun physics, chemistry A
technique used topurify ametal ,semiconductor or othersolid in which aheating system slowly causes a series ofmolten zones totraverse the solid, leavingpurer material behind it.
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