Source : Webster's Revised Unabridged Dictionary (1913)

Infrigidation \In*frig`i*da"tion\, n. [L. infrigidatio.]
   The act of chilling or causing to become cold; a chilling;
   coldness; congelation. [Obs.] --Boyle.

Source : WordNet®

infrigidation
     n : the process of cooling or freezing (e.g., food) for
         preservative purposes [syn: {refrigeration}]