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molecular distillation

noun, Chemistry
1.
a vacuum distillation in which the molecules of the distillate reach the condenser before colliding with one another.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for molecular distillation

molecular distillation

noun
1.
distillation in which a substance is heated under vacuum, the pressure being so low that no intermolecular collisions can occur before condensation
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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