(1)preserve by rapid freezing and subsequently drying in a vacuum; "freeze-dry the strawberries"
(2)急速冷凍し、その後真空乾燥によって保存する
(3)to dry (blood, serum, or tissue) by freezing in a high vacuum
(4)高減圧の中で凍らせることで（血、漿液または組織）を乾かす