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 ?
VS BASE BLOCK: Cross face of opposing lineman, penetrate gap of responsibility, then run the heel line of the offensive linemen.
There is little point in discussing which caliber and type of bullet will or will not penetrate well.
If such be the case with a human person, how do we penetrate the mystery of a divine person?
reduce the metallostatic head pressure because the higher the pressure, the easier metal can penetrate the mold wall;
Tiger"- T/T/E game (both tackles penetrate and end loops inside.
The laminated samples were used to test PET film degradation by measuring the force required for a plunger travelling at a constant speed of 5 mm per minute, to penetrate the film surface, as shown in figure 1a.
Each of the three target pipes will be drilled with the "mother" reverse circulation air rotary hole designed to penetrate the center of the geophysical anomaly which defines the pipe.
The saw palmetto had no effect, but high concentrations of the others impaired human sperm's ability to penetrate the eggs.
Previous sonar searches of the crash site used sound waves at high frequencies that can penetrate water but nothing much denser, to create a detailed image of anything lying exposed on the bottom.
When UV rays pass through the skin, they penetrate the skin's pigment cells, known as melanocytes, says Dr.
The slag begins to penetrate the refractory, while simultaneously destroying the integrity of the surface tension of the metal behind it.
As WLAN and GPS penetrate more number of devices for various applications, integration of the chipset into a single package solution will be a major challenge.