cryoprotein

noun
cryo·​pro·​tein | \ ˌkrī-ə-ˈprō-ˌtēn, -ˈprōt-ē-ən How to pronounce cryoprotein (audio) \

Medical Definition of cryoprotein

: a protein (as cryoglobulin) in the blood that can be precipitated by cooling and redissolved by warming