Definitions

1. verb

to convert or render something into a colour image, especially from black and white to colour

“The photographer colourized the old black and white photograph to bring out the vibrant colours of the scene.”

2. verb

to add or apply colour to something

“The artist colourized the design with bright, bold hues.”

3. noun

the act of converting or rendering something into a colour image

“The colourization process took several hours to complete.”