What is "infrigidation"

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

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.).

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

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