discolorize
/dɪˈskʌləraɪz/
verb
- To remove color from something; to make colorless or white. (Alternative spelling of discolorise.)
- The artist decided to discolorize the background to make the subject stand out.
- They used a special filter to discolorize the water in the aquarium.
- The cleaning solution can discolorize the grout between tiles.
Antonyms