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a. the fleshy cushion-like underpart of the foot of a cat, dog, etc.
b. any of the parts constituting such a structure
2. Entomol a nontechnical name for pulvillus
3. the large flat floating leaf of the water lily
4. Electronics a resistive attenuator network inserted in the path of a signal to reduce amplitude or to match one circuit to another


An isolated mass of concrete forming a foundation.



a term used in Siberia and the Soviet Far East to designate ravines and the valleys of streams and small rivers.


(aerospace engineering)
A small circumscribed mass of fatty tissue, as in terminal phalanges of the fingers or the underside of the toes of an animal, such as a dog.
An arrangement of fixed resistors used to reduce the strength of a radio-frequency or audio-frequency signal by a desired fixed amount without introducing appreciable distortion. Also known as fixed attenuator.
A layer of material used as a cushion or for protection.
A projection of excess metal on a casting forging, or welded part.
An area within an airstrip or airway that is used for warming up the motors of an airplane before takeoff.
A block of stone or masonry set on a wall to distribute a load that is concentrated at that portion of the wall. Also known as padstone.
That portion of an airstrip or airway from which an airplane leaves the ground on takeoff or first touches the ground on landing.
The brickwork that is beneath the molten iron at the base of a blast furnace.

padstone, pad

A strong block bedded on a wall to distribute a concentrated load; a template, 2.



(1) To fill a data structure with bits or characters. See padding.

(2) (PAD) (Packet Assembler/Disassembler) A communications device that formats outgoing data into packets of the required length for transmission in an X.25 packet switching network. It also strips the data out of incoming packets.

(3) An iPad-like tablet computer. See iPad and tablet computer.
References in periodicals archive ?
The infrapatellar fat pad is located posterior to the lower, deep surface of the patella, the patellar ligament and adjoining fibrous joint capsule.
As described by LaPrade (1998) the deep infrapatellar bursa is partially compartmentalised by a tongue of fat extending down from the infrapatellar fat pad (Figure 4).
The periphery of the infrapatellar fat pad itself is described as being highly vascularised while more centrally, closer to the patellar ligament, the blood vessels are less plentiful (Kohn et al, 1995).
The infrapatellar fat pad is also described as being highly innervated (Biedert and Sanchis-Alfonso 2002; Saddick et al, 2004; Wojtys et al, 1990).
Having established that the infrapatellar fat pad is innervated it is still necessary to determine whether it may be a defined source of pain.
Two studies provide evidence that the infrapatellar fat pad may be the source of experimentally induced pain.
Further studies confirming the results of this report would provide definitive evidence that the infrapatellar fat pad is both a cause of pain and loss of motion.