cleaning out clearance clearing defecation depletion discharging cargo drainage draining effusion egress elimination emptying evacuation exfiltration exhausting exhaustion external secretion extravasation exudation filtering filtration internal secretion lacrimation lactation leaching lixiviation off-loading ooze oozing percolating percolation removal secernment secreta secretion seep seepage straining transudation unloading venting voidance voiding weep weeping