Discolor [verb]

They were discolored by ultraviolet radiation and desiccation.

The outer layers of 500- and 1,000-micrometer-thick pellets were dead too, discolored by ultraviolet radiation and desiccation.

Thus importance was attached to the most insignificant occurrences, and one action made to darken and discolor another.

They should have no decayed places that might taint or discolor the soups, and they should be as crisp and solid as possible.

As actual decomposition sets in, the skin begins to discolor.

When cauliflower is cooked for salad, care must be taken not to cook it so long as to discolor it or cause it to fall to pieces.

When cake dough is stirred in an aluminum dish, the sides usually become darkened and are liable to discolor the mixture.

Peel apples, cut into halves and then into thick slices, and rub them with lemon so they will not discolor.

Let boil for one hour; cut in two, remove the yolks and leave the whites in cold water not to discolor.

What are the proportions of salt and water into which foods that discolor are placed before they are canned or dried?