Change or cause to change to a different, less attractive colour: [no object]: do not over-knead the dough or it will discolour [with object]: too much aluminium can discolour water
More example sentences
- This dentine is darker than enamel, so teeth appear stained and discoloured.
- As a nation of tea and coffee drinkers, our teeth take a battering and frequently end up stained or discoloured.
- Aged vinegar acquires an increasingly brown colour as enzymes discolour compounds from the original fruit.
stain, mark, soil, dirty, make dirty, streak, smear, spot, tarnish, sully, spoil, mar, disfigure, blemish;
fade, bleach, wash out;
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