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foam |
Also found in: Dictionary/thesaurus, Medical, Acronyms, Idioms, Wikipedia, Hutchinson | 0.04 sec. |
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foam: see colloid colloid (kŏl`oid) [Gr.,=gluelike], a mixture in which one substance is divided into minute particles (called colloidal particles) and ..... Click the link for more information. . foam 1. a mass of small bubbles of gas formed on the surface of a liquid, such as the froth produced by agitating a solution of soap or detergent in water 2. frothy saliva sometimes formed in and expelled from the mouth, as in rabies 3. the frothy sweat of a horse or similar animal 4. a. any of a number of light cellular solids made by creating bubbles of gas in the liquid material and solidifying it: used as insulators and in packaging b. (as modifier): foam rubber 5. a colloid consisting of a gas suspended in a liquid 6. a mixture of chemicals sprayed from a fire extinguisher onto a burning substance to create a stable layer of bubbles which smothers the flames foam [fōm] (chemistry) An emulsionlike two-phase system where the dispersed phase is gas or air. (fluid mechanics) A collection of bubbles on the surface of a liquid, often stabilized by organic contaminants, as found at sea or along shore. Also known as froth. (geology) How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Then I remembered seeing the grown-ups blow the foam away before they drank. Gaining the more open water, the bracing breeze waxed fresh; the little Moss tossed the quick foam from her bows, as a young colt his snortings. Before that, I never knew what it was to foam at the mouth, but now the action of the sharp bit on my tongue and jaw, and the constrained position of my head and throat, always caused me to froth at the mouth more or less. |
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