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

  • n. The act or process of making or becoming thick.
  • n. Material used to thicken: stir in a thickening of flour and water.
  • n. A thickened part.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. the process of making something, or becoming, thick or viscous
  • n. a substance, usually a source of starch, used to thicken a sauce
  • n. a thickened part of a structure
  • v. Simple past tense and past participle of thicken.

from the GNU version of the Collaborative International Dictionary of English

  • n. Something put into a liquid or mass to make it thicker.

from The Century Dictionary and Cyclopedia

  • n. The act or process of making or becoming thick.
  • n. A substance used in making thick; specifically, in dyeing and calico-printing, same as thickener.
  • n. That which has become thick.

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

  • adj. accumulating and becoming more intense
  • n. the act of thickening
  • n. any thickened enlargement
  • adj. becoming more intricate or complex
  • n. any material used to thicken


Sorry, no etymologies found.


  • • Use sweet rice flour to replace the traditional wheat flour in thickening gravy.

    A Gluten-Free Thanksgiving Dinner

  • Little Wolf-Willow's head was whirling, his brain thickening, his fingers clutching aimlessly.

    The Shagganappi

  • A group of Canadian officials is calling for the appointment of special ambassadors on both sides of the border to help deal with what they call the thickening of international crossings.

    Paul & Matt's Sports Attack

  • 21Blau had previously acknowledged the role of the photographic giant Ilford in thickening emulsion layers on the photographic plates to make the entire particle tracks visible.

    Trafficking Materials and Gendered Experimental Practices: Radium Research in Early 20th Century Vienna

  • BRODSKY: ... mild mitral valve thickening, which is a heart defect.

    CNN Transcript Feb 21, 2008

  • To that end, I specifically raise concerns about the so-called thickening of the Canada-U.S. border.

    CNN Transcript Apr 22, 2008

  • As with all fermented milks, the thickening is an indication that the product has reached a certain acidity 0.8%, pH 4.6 and so a distinct tartness.

    On Food and Cooking, The Science and Lore of the Kitchen

  • Hence aqueous bodies do not thicken when they solidify; for thickening occurs when the moisture goes off and the dry matter comes together, but water is the only liquid that does not thicken.


  • Recently, there has been much publicity suggesting that breast implants made of silicone gel may trigger autoimmune diseases in women, including lupus, rheumatoid arthritis, and scleroderma, a connective tissue disease characterized by the thickening of the skin.


  • LB's veterinarian speculated that he died of "hyptertrophic cardiomyopathy," or HCM, a disease characterized by a thickening of the heart wall.

    SFGate: Top News Stories


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