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distillation column

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distillation column

–noun Chemistry.
a type of still fitted with interior baffles, used for fractional distillation. Compare still 2 (def. 1).
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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distillation column  
n.  A tall metal cylinder internally fitted with perforated horizontal plates used to promote separation of miscible liquids ascending in the cylinder as vapor.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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