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1894, US. From Ancient Greek λύω (lúō, to loosen, to dissolve) + φίλος (phílos, beloved) + -ίζειν (-ízein). Cognates in other European languages via same construction.


lyophilize (third-person singular simple present lyophilizes, present participle lyophilizing, simple 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:
      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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