cryo-freeze

"Both the original injury and the cryo-freeze did him a lot of damage, some of it permanent. He was forced to take a medical discharge, which he — hm! — did not handle well. It's not my place to discuss those details.” “If he was injured badly enough to need cryo-freeze, he was dead!” she said, startled. “Technically, I suppose so. 'Alive' and 'dead' are not such neat categories as they used to be in the Time of Isolation.”