effluence
Concise Oxford English Dictionary © 2008 Oxford University Press:
effluence /ˈɛflʊəns/
▶noun
- 1 a substance that flows out.
- 2 the action of flowing out.
– origin ME: from med. L. effluentia, from L. effluent-, effluere ‘flow out’.
'effluence' also found in these Oxford entries:

