† promaˈnationObs.rare—1. [f. ? late L. prōmān-āre to flow or drop forth (Zeno Veron. in Quicherat) + -ation.] A flowing forth; effluence, emanation. 1653H. More Conject. Cabbal. (1713) 174 Concerning the promanation and intermixture of the Rays of Light.