Source : Webster's Revised Unabridged Dictionary (1913)

Diaphoretic \Di`a*pho*ret"ic\, Diaphoretical
\Di`a*pho*ret"ic*al\, a. [L. diaphoreticus, Gr. ?: cf. F.
   diaphor['e]tique. See {Diaphoresis}.]
   Having the power to increase perspiration.