a vacuum distillation in which the molecules of the distillate reach the condenser before colliding with one another.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012