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Gap

(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.).

gap

[gap]
(communications)
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.
(electricity)
The spacing between two electric contacts.
(electromagnetism)
A break in a closed magnetic circuit, containing only air or filled with a nonmagnetic material.
(genetics)
A short region that is missing in one strand of a double-stranded deoxyribonucleic acid.
(geography)
Any sharp, deep notch in a mountain ridge or between hills.
(metallurgy)
An opening at the point of closest approach between faces of members in a weld joint.

gap

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

gap

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.

gap

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

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].

gap

(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 classic literature ?
On reaching the end of the Charlington grounds, he sprang from his machine and led it through a gap in the hedge, disappearing from my view.
I can see him now, in my wake-a-day life, as I write this, swinging along through the trees, a four-handed, hairy creature, howling with rage, pausing now and again to beat his chest with his clenched fist, leaping ten-and-fifteen-foot gaps, catching a branch with one hand and swinging on across another gap to catch with his other hand and go on, never hesitating, never at a loss as to how to proceed on his arboreal way.
As for himself, from moment to moment the conversation showed him gaps and open stretches, whole subjects with which he was unfamiliar.
Daughtry and the captain emerged last from the cabin, and both stared upward for a moment at the gaps in the slender, sky- scraping top-hamper, where, only minutes before, the main- and mizzen-topmasts had been.
The boys among the mob outside intercepted the flow of air by climbing on each other's shoulders and looking in at the meeting, through the gaps left by the shattered glass.
The Northern Ocean beyond burst its way in through the gaps of ruin; and from that time the Zuyder Zee existed as we know it now.
His after history is involved in obscurity and has gaps which conjecture alone can fill.
We toiled hard and suffered greatly, filled the gaps in our ranks and went on, and through all the labour and the play and interplay of life and death we found time to laugh and love.
It was a September evening and all the gaps and clearings in the woods were brimmed up with ruby sunset light.
Of course, those who were stationed nearest to the head of the line, where they could most see and be seen, and have the first blow at him, paid the highest prices for their places; and the few straggling inhabitants in the outskirts, where long gaps in the line began to occur, and the traveller could get over walls or turn aside into cow-paths, and so escape, paid a very slight ground or window tax.
There were gaps of silence in the talk, as the dinner got on, that made me feel personally uncomfortable.
The night, without, looked black and cold through the dreary gaps in the casement; the precious liquids, now nearly leaked away, dripped with a hollow sound upon the floor; the Maypole peered ruefully in through the broken window, like the bowsprit of a wrecked ship; the ground might have been the bottom of the sea, it was so strewn with precious fragments.