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(gäp), city (1990 pop. 35,647), capital of Hautes-Alpes dept., SE France, on the Luye River at the foot of the Dauphiné Alps. A center for tourism, Gap is an agricultural market that manufactures clothing, wood products, and construction materials. Founded by Augustus c.14 B.C., it was the capital of medieval Gapençais, which was annexed to the crown of France in 1512. The city was devastated during the Wars of Religion (16th cent.).


A region not adequately covered by the main lobes of a radar antenna.
(computer science)
A uniformly magnetized area in a magnetic storage device (tape, disk), used to indicate the end of an area containing information.
The spacing between two electric contacts.
A break in a closed magnetic circuit, containing only air or filled with a nonmagnetic material.
A short region that is missing in one strand of a double-stranded deoxyribonucleic acid.
Any sharp, deep notch in a mountain ridge or between hills.
An opening at the point of closest approach between faces of members in a weld joint.


An opening, as in a wall; an open joint.


i. Any space where the imagery fails to meet the minimum coverage requirements. This might be a space not covered by imagery or one where the minimum specified overlap was not obtained.
ii. Breaks in continuous radar coverage. See gap-filler radar.


1. a break in a line of hills or mountains affording a route through
2. Chiefly US a gorge or ravine
3. Electronics
a. a break in a magnetic circuit that increases the inductance and saturation point of the circuit
b. See spark gap


(mathematics, tool)
Groups Algorithms and Programming.

A system for symbolic mathematics for computational discrete algebra, especially group theory, by Johannes Meier, Alice Niemeyer, Werner Nickel, and Martin Schonert of Aachen. GAP was designed in 1986 and implemented 1987. Version 2.4 was released in 1988 and version 3.1 in 1992.

Sun version.

["GAP 3.3 Manual, M. Schonert et al, Lehrstuhl D Math, RWTH Aachen, 1993].


(1) The space between blocks of data on magnetic tape.

(2) The space in a read/write head over which magnetic flux (energy) flows causing the underlying magnetic tape or disk surface to become magnetized in the corresponding direction.
References in periodicals archive ?
The wide-gap grille, fashioned to emanate a sporting flair, gives the car a purposeful stance ( though some questioned the gappy aspect.
One look inside the rubber-legged Brazilian's gappy gob may have forced Lennon and McCartney to significantly up their numbers.
It was as if they were about to indulge us with some previously unknown scandal, but it was, he explains, nothing more than an embarrassing reference to his somewhat gappy smile.
PICTURE EXCLUSIVE NOW Smile shows two new gnashers Main picture: DAVID EVITTS / NEWSTEAM; THEN Cute Connie charms with gappy grin; Connie on last year's show; Winner Paul had a visit from the tooth fairy too.
Featuring MCs Twista, Lethal B and Gappy Ranks, it is a bouncy anthem that I love.
PLEATHE, PLEATHE ME: Sir Paul looking gappy and, inset, in 60s Beatles heyday
The tooth fairy did come and she is now the proud owner of a very gappy smile.
This is perfectly structurally isomorphic to having three collections of sentences, divided into true sentences, false sentences and gappy sentences.
It discuss the view that visual experiences have only existential contents, the view that visual experiences have either singular or gappy contents, and the view that visual experiences have multiple contents.
So there was a happy ending to this gappy tale, but who gets Corrigan's Crown and who is Corrigan's Clown?