Relating to the study of how living organisms and cells survive, function, or are preserved at extremely low temperatures.
From Greek 'kryos' (cold) + 'bios' (life) + 'logia' (study) + '-ical' (relating to). This scientific adjective emerged in mid-20th century as researchers began systematically studying organisms in frozen conditions.
Scientists use cryobiological research to freeze sperm and eggs for fertility treatments, preserve organs for transplant, and even study whether life could exist on frozen planets—it's literally the science of how cold affects living things.
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