磨擦 Traditional form: 磨擦 Pinyin (reading): mócā Definitions: variant of 摩擦 (mócā) Characters: 磨 - millstone; to grind, to polish, to rub, to wear out 擦 - to clean, to erase, to polish; a brush Traditional characters: 磨 - millstone; to grind, to polish, to rub, to wear out 擦 - to clean, to erase, to polish; a brush