discolour

She was haunted by the fear that the blow might discolour Elnora's cheek; that she would tell Margaret.

"Any time you say," he said, with ease, refusing to discolour his present delight with this miserable problem.

The pteropods are extremely abundant in some seas, occurring in such vast numbers that they discolour the water for miles.

Whatever the earl's inferiors did, their inferior station was not suffered to discolour it for his judgement.

White canton flannel is not good for this purpose, it soils easily and the chemicals used for bleaching it discolour silver.