Simple past tense and past participle of colorize.(verb)
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Use "colorized" in a sentence
"As "colorized" is to black and white movies, "dimensionalized" will soon be for conventional footage which is later converted to stereo."
"The new $10 _ featuring shades of orange, yellow and red _ will join colorized versions of the $20 bill and the $50 bill as the Bureau of Engraving and Printing attempts to stay one step ahead of counterfeiters and ever-more sophisticated copying machines."
"And it's not like The Killing Joke has been in short supply over the years, so everyone's had a shot at the first, "colorized" version..."