Discoloration [noun]

This heavy-duty spray will save your carpets, furniture, clothes, and more from odors and discoloration.

The slightest yellowish-brown discoloration indicates the presence of lead.

The iron present was only what the Dunbar Expedition had thought it to be; a mere discoloration.

If discoloration has taken place, the application of hot compresses will often hasten its disappearance.

A discoloration showed dimly against the dark metallic surface.

If care is exercised in this respect, no danger of discoloration need ordinarily be feared.

The chloroform collecting bottle may be used with these insects if discoloration is anticipated.

Discoloration of the veins of the nose, resulting in an appearance abnormally rubicund.

The first marks of discoloration occur underneath the legs and wings, at the points where they are attached to the body.

Only a discoloration of one eye showed where Captain Cy's blow had left its mark.