penetration

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penetration

1. Marketing the proportion of the total number of potential purchasers of a product or service who either are aware of its existence or actually buy it
2. another name for depth of field

penetration

[‚pen·ə′trā·shən]
(aerospace engineering)
That phase of the letdown from high altitude to a specified approach altitude.
(metallurgy)
The distance from the original surface of the base metal to that point at which weld fusion ends.
A surface defect on a casting caused by molten metal filling voids in the sand mold.
(ordnance)
Distance to which a projectile sinks into a target.

penetration

1. The intersection of two vaulting surfaces.
2. The consistency of a bituminous material expressed as the distance (in hundredths of a centimeter) that a standard needle vertically penetrates a sample of the material under known conditions of loading, time, and temperature. Unless otherwise specified, the load, time, and temperature are understood to be 100 g, 5 sec, and 25°C (77°F), respectively.

penetration

penetrationclick for a larger image
i. That portion of a published high-altitude instrument approach procedure that prescribes a descent path from the fix on which the procedure is based to a fix or an altitude from which an approach to the airport is made.
ii. A flight into hostile airspace as in to penetrate enemy air defense. Also, the depth to which something penetrates, as in “When the Allied bombers increased their penetration into Germany.”
iii. The term also refers to weather penetration, which implies a flight deep into a cloud with vertical development or into the eye of a tropical revolving storm, as in “the aircraft penetrated the cumulonimbus clouds and came out unscathed.”

penetration

The successful unauthorized breach of a security perimeter. See penetration test.
References in periodicals archive ?
In conclusion, the femoral condyles tangential views increase the accuracy of detecting screw penetrations on the medial and lateral condyles.
Going back to Figure 1, the penetration is at the engine block near a connecting rod in an area that would be difficult for a road object to penetrate without leaving any other evidence of impact, such as scraping.
Since these are obstacle identification surfaces, not obstacle clearance surfaces, penetrations by obstructions are permitted, but result in penalties to the procedure.
As penetration levels approach market saturation in an increasing number of countries, subscription growth rates have fallen to their lowest levels ever in the last year - around 6 percent in developing countries and 4 percent in developed countries, according to the report.
These key areas include: penetration rates of social networking services in the Arab region, including growth rate, demographic and gender breakdown; factors affecting adoption of these platforms in different Arab countries (e.g.
organised penetration. Regular penetration was attributed mainly to economic
Figure 1 gives a schematic illustration of gas penetration phenomenon in a GAIM process inside tubular parts, where R, S, and W represent the gas core width, skin thickness and tube width, respectively.
They must rotate together, communicate, stop the penetration, and then recover quickly to their regular players.
This beam web penetration, either reinforced or unreinforced is generally expensive, especially if executed in the field.
For each model, total penetration (i.e., direct penetration through the filter and leakage around the face [seal.sup.ss] combined) was measured with each person on the panel using the TSI 8020 Portacount [Plus.sup.TMn], a fit-test instrument that uses ambient air particles as the challenge agent (3).
Generally, iron casting penetration defects are caused in two ways.
The molten polymer begins to flow in a lateral direction, resulting in an increase in the weld penetration - the distance by which the parts approach each other as a result of lateral flow.