A minor degree of frostbite.
[L. per-frigero, pp. -atus, to make cold, fr. frigus, cold]
References in periodicals archive ?
(2) However, much more recent research has suggested that auditory exostoses are probably triggered by environmental factors--namely, perfrigeration (minor frostbite) of the auditory meatus induced by sustained exposure to cold water, low air temperatures, and/or cold winds.