foam

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foam

 [fōm]
1. a dispersion of a gas in a liquid or solid, e.g., whipped cream or foam rubber.
2. frothy saliva, produced particularly on exertion or pathologically.
3. to produce, or cause to produce, froth.

foam

(fōm),
1. Masses of small bubbles on the surface of a liquid.
2. To produce such bubbles.
3. Masses of air cells in a solid or semisolid, as in foam rubber.

foam

(fōm)
1. a dispersion of a gas in a liquid or solid.
2. frothy saliva.
3. to produce or cause production of such a substance.foam´y

foam

(fōm)
n.
a. Frothy saliva produced especially as a result of physical exertion or a pathological condition.
b. The frothy sweat of a horse or other equine animal.
v. foamed, foaming, foams
v.intr.
1. To produce or issue as foam; froth.
2.
a. To produce foam from the mouth, as from exertion or a pathological condition.
b. To be extremely angry; rage: was foaming over the disastrous budget cuts.
v.tr.
1. To cause to produce foam.
2. To cause to become foam.

foam

[fōm]
Etymology: A.S. f ā. m
1 n. a dispersion of gas in a liquid or solid, such as pumice or whipped cream.
2 n. frothy saliva, produced particularly on exertion or pathologically.
3 v. to produce or cause production of such a substance.

foam

(fōm)
1. Masses of small bubbles on the surface of a liquid.
2. To produce such bubbles.
3. Masses of air cells in a solid or semisolid, as in foam rubber.

foam

frothy liquid, e.g. from the nostrils of an animal with terminal pulmonary edema, in the rumen of the cow with frothy bloat.

foam cell
vacuolated histiocytes.
foam cell pneumonia
see endogenous lipid pneumonia.
foam test
fresh urine is shaken vigorously. A yellow-green foam is indicative of bilirubinuria.
References in periodicals archive ?
The advantages of Foam Fix over traditional PVC foam products are 1) high temperature stability of the acrylic adhesive, 2) high peel strength of the adhesive, 3) no need to back strip for die cutting resulting in improved product yield (with Foam Fix I) and 4) the polyester liner provides additional dimensional stability when die cutting.
Preliminary rheological tests showed that the viscoelastic behavior of the foams depended on the range of foam density--higher or lower than the minimum density value.
Having thus far produced polystyrene and polymethyl methacrylate nanocomposite foams, Lee says his process can be used with any type of plastic, although certain polymers are more compatible.
While initial applications of ceramic foam filters were for sand castings, they have now broadened to include permanent mold, plaster and ceramic investment castings.
But the negative publicity that foam received from environmental groups ultimately led to a lot less of the material being used and generated as a recyclable at cafeterias.
To make the new foams, the MIT researchers take a thick polymer solution--the more viscous, the better--and mix it with what's known as a porogen, in this case tiny bits of paraffin or beeswax.
Delta-Therm Eliminator dispensing equipment for rigid PUR foams is supplied together with custom and proprietary chemical systems.
Against this background, optimism within the industry is said to be evident, both in new application developments and renewed interest in areas such as the use of reaction injection molding for thin-walled structural components, and specialty developments such as PU systems for use in footwear manufacturing, rigid foam construction products and new, high-performance flexible foams.
The firm was utilizing 42 high-pressure diecasting systems in a high-production diecasting plant and a 15-year-old lost foam line to produce various marine engine components including engine cylinder blocks, cylinder heads, crankcases, and transmission and gear housings.
Anyone who has gazed into a foam-capped mug of beer has probably noticed that one can see through the beer but not through the foam.
Tests have shown that Cylacell can increase useful life of foams by eliminating any potentially reactive blowing-agent byproducts that can degrade elastomers.