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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 ?
In (6), unlike (5), the property of existing is being predicated of nothing, and the resulting gappy proposition is negated.
The Independent Expert Team's report, which was published in August, commended the work of Gappy and his team, in overseeing the election "in a professional and efficient manner".
With: Stephane Anelli, Jo Cavanagh, Alistair David, Darren Fawthorp, Zoe Gappy, Helen Harper, Victoria Hinde, Stori James, Ebony Molina, Jo Morris, James O'Connell, Pippa Raine, Richard Roe, Simone Sault, Gido Schimanski, Craig Scott, Lorraine Stewart, Todd Talbot, Tristan Temple, Emma Woods.
Again, the ranking turns out to be no use at all other than as a record of the past, one that is as gappy as the past is.
The Victorian Novel in Film and Television" is informed on the semiotics of film and sophisticated on its subliminal imagery, but gappy in coverage.
Identities like (2) are gappy because: "the modes of presentation by which we come into cognitive content with qualia are substantive and determinate" (8); "there is real content to our idea of a quale" (84); "My idea of [R] .
Comerford in his contribution to A New History of Ireland (1989) and Stephen Koss in the nineteenth-century volume of The Rise and Fall of the Political Press in Britain (1980), Matie-Louise Legg makes a decisive return to grassroots, the gappy archives of local statistical surveys, business transaction files and census reports, in order to piece together a highly convincing, highly informative account of Ireland's provincial press, from its most famous, longest-runner--the Belfast Newsletter, founded in 1737--to the many long-forgotten but well-intentioned publications that lasted little more than a matter of weeks.
Inevitably, with fewer pages and a wider agenda, his treatment is sometimes impressionistic or gappy, and there are rather too many slips or imprecisions in the material which I know best, on the English Reformation.
3) I prefer not to preclude gappy causation tout court, but those who do -- e.
Hayley Cavanagh and Zoe Leone Gappy, above, of Maloney Dance School, won North-east Championship titles, to earn a place in the national finals in Manchester back in 1999, while right, Helen Hinde of Kirkham-Henry Dance school collects her trophy