discoloration

n (a) [U] process of discolouring 变色; 退色: some discoloration of the paintwork 漆皮儿的少许退色. (b) [C] discoloured spot; stain 变色点; 退色点; 污点.

disc jockey, discard, discern, discernible, discerning, discernment, discharge, discharged, disciple, disciplinarian, disciplinary, discipline, disclaim, disclaimer, disclose, disclosure, disco, disco dancing, disco music, discography, discolour (US discolor), discombobulate, discomfit, discomfiture, discomfort, discomfortable, discommode, discompose, discomposure, disconcert, disconcerted, disconcerting, disconcertingly, disconnect, disconnected, disconnectedly, disconnection, disconsolate, disconsolately, discontent,