Home › Words › I › infrigidantinfrigidantinfrigidant · noun — A medical agent or substance which produces a feeling of cold when applied to the body.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom in- + frigid + -ant.nounA medical agent or substance which produces a feeling of cold when applied to the body.Definitions & examples from Wiktionary (CC BY-SA 3.0).