oil slick


noun

a smooth area on the surface of water caused by the presence of oil.

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Origin of oil slick

First recorded in 1885–90
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for oil slick

  • The oil-slick left behind by his wake was so heavy that, even in the failing light, it was visible for several miles.

    Sea-Hounds|Lewis R. Freeman

British Dictionary definitions for oil slick

oil slick

noun

a mass of floating oil covering an area of water, esp oil that has leaked or been discharged from a ship
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012