1894, US. From Old Greek λύω ("to loosen, to dissolve") + φίλος ("beloved") + -ίζειν; equivalent to lyo- + -phile + -ize. Verb

lyophilize (lyophilizes, present participle lyophilizing; past and past participle lyophilized)

  1. To freeze-dry
    • 1894, United States Department of Agriculture, Crops in Peace and War: The Yearbook of Agriculture (U.S. G.P.O.), p. 907 ↗:
      smallcaps Lyophilization The process of vacuum-drying substances from the frozen state. The water is sublimated into a trap at low temperature or is absorbed by drying agents. Verb: lyophilize.
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