deredden

From de- +‎ redden.

deredden (third-person singular simple present dereddens, present participle dereddening, simple past and past participle dereddened)

1. (transitive) To correct for redshift.

   Synonym: unredden

2. (transitive) To make less red; to remove the red from.

   Synonym: unredden

   • 1935 December 29, “Inside Studio Stuff”, in The New York Times, volume LXXXV, number 28,463, New York, N.Y.: The New York Times Company, →ISSN, →OCLC, section 9, page 4, column 2:

     Cold made noses of Sylvia Sidney, Fred MacMurray, and others of the Walter Wanger cast red. Hence, Makeup Man Kaufman had problem of dereddening noses.

   • 1993 March 10, John F. Atwood, “Re: Suspected infringement of Russ Berrie’s Troll doll copyright […]”, in Customs Bulletin and Decisions […], volume 27, number 10, Washington, D.C.: U.S. Government Printing Office, →ISSN, →OCLC, page 20:

     The importer offers Mr. Berrie’s statement that he made minor changes to the public domain doll by rounding the ears, changing the jawline, and derouging or dereddening the face.

   • 2005 April, Rik Myslewski, “iPhoto 5”, in Rik Myslewski, editor, MacAddict, number 104, Brisbane, Calif.: Future Network USA, →ISSN, →OCLC, page 35, column 2:

     The red-eye reduction function now requires you to click in the middle of the eye you want to deredden—a step backward in ease of use, in our opinion.

• dereddened (adjective)
• undereddened

• reddened