porosity

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porosity

 [pŏ-ros´ĭ-te]
the condition of being porous; a pore.

po·ros·i·ty

(pō-ros'i-tē),
1. Synonym(s): porosis
2. A perforation.
[G. poros, pore]

porosity

/po·ros·i·ty/ (por-os´it-e) the condition of being porous; a pore.

po·ros·i·ty

(pōr-os'i-tē)
1. Synonym(s): porosis.
2. A perforation.
[G. poros, pore]

po·ros·i·ty

(pōr-os'i-tē)
1. Synonym(s): porosis.
2. A perforation.
[G. poros, pore]

porosity (pōros´itē),

n the pres-ence of pores or voids within a structure.
porosity, back-pressure,
n porosity produced in castings resulting from the inability of gases in the mold to escape through the investment.
porosity, occluded gas,
n porosity produced by improper use of the blowpipe (i.e., heating the metal in the oxidizing portion of the flame).
porosity, shrink-spot,
n an area of porosity in cast metal that is caused by shrinkage of a portion of the metal as it solidifies from the molten state without flow of additional molten metal from surrounding areas.
porosity, solidification,
n porosity that may be produced by improper spruing or improper heating of the metal or the investment.

porosity

the condition of being porous; a pore.
References in periodicals archive ?
On the dependence of the elastic properties of a porous rock on the compressibility of the pore fluid.
All of the world's oil is found in porous rock beneath the ground and is usually obtained by drilling two holes.
Models that use fractals to simulate the presence of fractures in porous rock may provide better answers than those that assume the rock is uncracked.
The technique could also provide insights into other fluid mixing problems, ranging from combustion to the flow of oil through porous rock in a well.
Keen went on: "Are you perhaps quite a porous rock, Mr Burrell, given how much leaked out into interviews, letters and books?
Today, many Floridians get their water from porous rock sources (aquifers) beneath the Everglades.
Groundwater comes from the natural percolation of precipitation and other surface waters down through Earth's soil and rock, accumulating in cavities and layers of porous rock, gravel, sand or clay.
First, engineers drill a deep well into a layer of porous rock sitting above a pool of magma.
These waves would have exerted tremendous pressure on underlying, porous rock and the water held by these rocks.
And Mr Keen poured scorn on Burrell's claim to be Diana's "rock" and confidant - sarcastically telling him: "A rather porous rock.
The firm wants to tap into a vast layer of porous rock under Birmingham holding the water and then use Severn Trent's pipework to supply households and business.
In the August GEOLOGY, the researchers propose that bacteria living in porous rock deep within the Florida platform produce the methane by consuming ancient organic matter stuck in the rock.