ef·flu·ent /-ənt/
  (a.)流出的,射出的流出物,由河,湖等流出之水流
  Ef·flu·ent a.  Flowing out; as, effluent beams.
  Ef·flu·ent, n. Geog. A stream that flows out of another stream or lake.
  ◄ ►
  effluent
       adj : that is flowing outward [syn: outflowing]
       n : water mixed with waste matter [syn: wastewater, sewer
           water]