cryobiologyPronunciation: /ˌkrʌɪəʊbʌɪˈɒlədʒi/Definition of cryobiology noun [mass noun] the branch of biology which deals with the properties of organisms and tissues at low temperatures. Derivatives cryobiologicalPronunciation: /-bʌɪəˈlɒdʒɪk(ə)l/ adjective cryobiologist noun cryobiology in other Oxford dictionaries Definition of cryobiology in the US English dictionary