The Collaborative International Dictionary
Antipyresis
Antipyresis \An`ti*py*re"sis\, n. [NL., fr. Gr. ? against + ? to be feverish, fr. ? fire.] (Med.) The condition or state of being free from fever.
Wiktionary
antipyresis
n. (context medicine English) The reduction of fever.
WordNet
antipyresis
n. medication with antipyretics to treat a fever