Synonyms of 'drainage'

air-drying, aspiration, bleeding, bloodletting, clearance, clearing, cupping, defluxion, discharge, drain, drawing, drying, effluence, efflux, effusion, egress, elimination, evacuation, evaporation, excretion, exhalation, exhaust, exhaustion, gush, insolation, outfall, outflow, outpour, outpouring, phlebotomy, pumping, removal, runoff, sucking, suction, tapping, venesection, voidance