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

  • n. Any of various coloring agents used to counteract the yellowing of laundered fabrics.
  • n. A rinsing agent used to give a silver tint to gray or graying hair.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • v. Present participle of blue.
  • n. A substance used in laundry to whiten clothes; blue
  • n. Any of several processes to protect steel against rust

from the GNU version of the Collaborative International Dictionary of English

  • n. The act of rendering blue.
  • n. Something, as indigo or other preparations, used to give a bluish tint, especially to white clothing when being washed.

from The Century Dictionary and Cyclopedia

  • n. The act of making blue; specifically, the process of giving a blue color to iron and other metals by heating.
  • n. A blue tint given to iron by boiling in a bath of hyposulphite of soda and acetate of lead.
  • n. The indigo, soluble Prussian blue, or other material, used in the laundry to give a bluish tint to linen. Also spelled blueing.
  • n. A disease of pine timber which causes it to assume a blue color. It is due to the pyrenomycetous fungus, Ceratostomella pilifera.

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

  • n. a process that makes something blue (or bluish)
  • n. used to whiten laundry or hair or give it a bluish tinge


from Wiktionary, Creative Commons Attribution/Share-Alike License

blue +‎ -ing



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  • At one time white-haired ladies used a little bit of bluing to counteract the yellow tinge in their hair; a bit too much and the hair was blue; hence, bluehairs.

    July 21, 2015