cryopreserve Syllabification: (cry·o·pre·serve)Pronunciation: /ˌkrīōpriˈzərv/Definition of cryopreserve verb [with object] Biology & Medicine preserve (cells or tissues) by cooling them below the freezing point of water. Derivatives cryopreservationPronunciation: /-ˌprezərˈvāSHən/ noun cryopreserve in other Oxford dictionaries Definition of cryopreserve in the British & World English dictionary