When we despair or discolour things, it is our senses in revolt, and they have made the sovereign brain their drudge.

Set them to dry in a warm place, but not near enough the fire to discolour the icing and cause it to crack.

She watched it curl and discolour, the writing blackly distinct, and crumble into ashes.

Mice, moles and pismires cause the jaundies in trees, known by the discolour of the leaves and buds.