freeze-drying

[ freez-drahy-ing ]
/ ˈfrizˈdraɪ ɪŋ /

noun

a process for drying heat-sensitive substances, as foods, blood plasma, antibiotics, and the like, by freezing the substance and then subliming the ice or other frozen solvent in a high vacuum.

Origin of freeze-drying

First recorded in 1940–45

Definition for freeze-drying (2 of 2)

freeze-dry

[ freez-drahy ]
/ ˈfrizˈdraɪ /

verb (used with object), freeze-dried, freeze-dry·ing.

to subject to freeze-drying.

Origin of freeze-dry

First recorded in 1945–50
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for freeze-drying

freeze-dry


verb -dries, -drying or -dried

(tr) to preserve (a substance) by rapid freezing and subsequently drying in a vacuum
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

Medicine definitions for freeze-drying

freeze-drying


n.

lyophilization
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for freeze-drying

freeze-dry


To preserve a substance, such as food, by freezing it rapidly and placing it in a vacuum chamber, where the water frozen in the substance evaporates through sublimation.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.