from The American Heritage® Dictionary of the English Language, 4th Edition

  • transitive v. To remove the color from.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. To remove the color from.
  • v. To lose one’s color.

from the GNU version of the Collaborative International Dictionary of English

  • transitive v. To deprive of color; to whiten.

from The Century Dictionary and Cyclopedia

  • To deprive of color; bleach. Also spelled decolorise, decolourize, decolourise.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • v. remove color from


Sorry, no etymologies found.


  • Manganese dioxide is used to: manufacture ferroalloys; manufacture dry cell batteries (it's a depolarizer); to "decolorize" glass; to prepare some chemicals, like oxygen and chlorine; and to dry black paints.


  • April 29th, 2008 6: 11 pm ET yeah right CNN ... put HILLIARys sign in front and decolorize Obama's sign to look darker. i expected better from CNN ... sheesh!

    Polls: Clinton, Obama tied in Indiana

  • Import it into Photoshop, or similar, then decolorize it, turn up the contrast and lightness accordingly.

    EXTRALIFE – By Scott Johnson - Comic coming a tad late

  • Saliva contains an enzyme that will decolorize blood and remove fresh bloodstains.

    Quilts Are Forever

  • Make a ten per cent infusion of the suspected coffee; filter it, and decolorize the solution by boiling it with a piece of animal charcoal.

    The Home Medical Library, Volume V (of VI)

  • The chlorine and oxygen will combine their action to decolorize the textile material.

    Scientific American Supplement, No. 401, September 8, 1883

  • If the red color is due to magenta, it is destroyed by both these reagents, while hydrocholoric acid does not decolorize the solutions of archil and cudbear, and ammonia turns their red color to a purple violet.

    Scientific American Supplement, No. 385, May 19, 1883

  • Animal charcoal possesses to a remarkable degree the property of removing color from solutions of animal and vegetable substances, and it is used for this purpose to a large extent by sugar refiners, who thus decolorize their dark brown sirups; in the manufacture of glucose and saccharums for brewers 'use, the concentrated solutions have to be filtered through layers of animal charcoal in order that the resulting product may be freed from color.

    Scientific American Supplement, No. 288, July 9, 1881

  • To render the determination as accurate as possible, the urine should be diluted to such an extent that not less than 4 or more than 7 c.c. are required to decolorize the solution, and the proportions necessary will be found to vary from 1 part of urine in 2½ to 1 in 30 or 40.

    Scientific American Supplement, No. 611, September 17, 1887

  • The only other large use of arsenic is in the glass industry, arsenic trioxide being added to the molten glass to purify and decolorize the product.

    The Economic Aspect of Geology


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