名詞 freeze drying:

1. a method of drying food or blood plasma or pharmaceuticals or tissue without destroying their physical structure; material is frozen and then warmed in a vacuum so that the ice sublimes
   同義詞：freeze-drying, lyophilization, lyophilisation

動詞 freeze dry:

1. preserve by rapid freezing and subsequently drying in a vacuum
   同義詞：freeze-dry