sludge /ˈslʌʤ/
 軟泥,泥濘,泥狀雪
 sludge /ˈsləʤ/ 名詞
 淤渣,汙泥,游渣,泥流狀
 Sludge n.
 1. Mud; mire; soft mud; slush.
 2. Small floating pieces of ice, or masses of saturated snow.
 3. Mining See Slime,  4.
 4. Anything resembling mud or slush; as: (a) A muddy or slimy deposit from sweage. (b) Mud from a drill hole in boring. (c) Muddy sediment in a steam boiler. (d) Settling of cottonseed oil, used in making soap, etc. (e) A residuum of crude paraffin-oil distillation.
 Sludge hole, the hand-hole, or manhole, in a steam boiler, by means of which sediment can be removed.
 ◄ ►
 sludge
      n 1: the precipitate produced by sewage treatment
      2: any thick messy substance [syn: slime, goo, gook, guck,
          gunk, muck, ooze]