slickensidePronunciation: /ˈslɪk(ə)nsʌɪd/Definition of slickenside noun (usually slickensides) Geology a polished and striated rock surface that results from friction along a fault or bedding plane. Origin: mid 18th century: from a dialect variant of the adjective slick + sideslickenside in other Oxford dictionaries Definition of slickenside in the US English dictionary
