The Collaborative International Dictionary
Antiperistasis \An`ti*pe*ris"ta*sis\, n. [Gr. ?; ? against + ? a standing around, fr. ? to stand around; ? around + ? to stand.] Opposition by which the quality opposed asquires strength; resistance or reaction roused by opposition or by the action of an opposite principle or quality.
Wiktionary
n. (context philosophy English) The heightening of the force of an opposing process
Wikipedia
Antiperistasis, in philosophy, is a general term for various processes, real or contrived, in which one quality heightens the force of another, opposing, quality.
Usage examples of "antiperistasis".
And to Sympathy, Antipathy, Antiperistasis, Specificall Qualities, and other like Termes, which signifie neither the Agent that produceth them, nor the Operation by which they are produced.