The process of cooling or freezing for preservative purposes

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
early 15c., from Late Latin infrigidationem (nominative infrigidatio ), noun of action from infrigidare "to make cold," from in- "in, into" (see in- (2)) + frigidare , from frigidus "cold" (see frigid ). Related: infrigidate (v.).

Wiktionary Word definitions in Wiktionary
n. (context obsolete English) The act of chilling or making cold; congelation.

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

WordNet Word definitions in WordNet
n. the process of cooling or freezing (e.g., food) for preservative purposes [syn: refrigeration ]