IPA: //ˌkraɪoʊprɪˈzɜrv//
KK: /kraɪoʊprɪˈzɜrv/
To keep cells or tissues safe by freezing them at very low temperatures.
Scientists use special techniques to cryopreserve stem cells for future research.
Past: cryopreserved
Past Participle: cryopreserved
Cryopreserve → It is formed from "cryo-" (from Greek "kryos", meaning cold) and "preserve" (from Latin "praeservare", meaning to keep safe or guard). The word "cryopreserve" means to keep something safe by using cold temperatures, typically to preserve biological samples.
Think of 'cold' ('cryo-') being used to 'keep safe' ('preserve') something, which is why cryopreserve means to preserve by freezing.