noun Etymology: English dialect slicken smooth (from 2slick) + English side Date: 1822 a smooth often striated surface produced on rock by movement along a fault or a subsidiary fracture
SLICKENSIDE
Meaning of SLICKENSIDE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012