oil slick oilskinned • oil-smelling · · · Info · Definitions · Characters · · oil slick · · Text Common · · Latin · · Scripts 9 · · Length 2 · · Syllables Definitions · · · (noun) a thin film of oil floating on top of water (especially crude oil spilled from a ship). Synonyms: oil slick. · · Noun Definition 1 Characters · · space U+0020 c latin small letter c U+0063 i latin small letter i U+0069 k latin small letter k U+006B l latin small letter l U+006C o latin small letter o U+006F s latin small letter s U+0073