vacuum drying
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Related to vacuum drying: Freeze drying
vacuum drying
n.
Removal of liquid material from a solution or mixture under reduced air pressure, which results in drying at a lower temperature than is required at atmospheric pressure.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.