Describes a substance which is able to protect the body or organic matter from being harmed by freezing. ... (09 Oct 1997) ... 
(kri″o-pro-tek´tiv) capable of protecting against injury due to freezing, as glycerol protects frozen red blood cells.
cryoprotective, cryroprotection Capable of protecting against injury due to freezing, as glycerol protects frozen red blood cells.