oil slick

from WordNet (r) 3.0 (2006)
oil slick
    n 1: a thin film of oil floating on top of water (especially
         crude oil spilled from a ship)
from The Collaborative International Dictionary of English v.0.48
oil slick \oil" slick`\ n.
   A layer of oil floating on water; -- usually petroleum or
   fuel oil which has leaked from a ship.
   [PJC]
antiflux / dictionary / oil slick
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