gap


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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 ?
As I stood agape, I saw a little red spark go drifting across a gap of starlight between the branches, and vanish.
Now and then came a gap in the lightning, and the night swallowed them up.
Like men racing blindfold for a gap in a hedge, we were finishing a splendidly quick passage from the Antipodes, with a tremendous rush for the Channel in as thick a weather as any I can remember, but his psychology did not permit him to bring the ship to with a fair wind blowing - at least not on his own initiative.
The lieutenant had returned only to go away again three days later, when the wail of the Dead March, and the tramp of the squadrons, told the wondering Station, who saw no gap in the mess-table, that an officer of the regiment had resigned his new-found commission.
Between the mother, with her fast-perishing lumber of superstitions, folk-lore, dialect, and orally transmitted ballads, and the daughter, with her trained National teachings and Standard knowledge under an infinitely Revised Code, there was a gap of two hundred years as ordinarily understood.
and he pushed Anatole's head forward to meet the gap left by the collar, through which Matrena's brilliant smile was seen.
Now only a single warrior, with a wide gap on either side of him, barred her clear way to freedom, though all the others were speeding as rapidly as they could to intercept her.
It seems funny and horrible to think of Diana's being married," sighed Anne, hugging her knees and looking through the gap in the Haunted Wood to the light that was shining in Diana's room.
Wingrave had never realized more completely what still seemed to him this wonderful gap in his life.
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.
At last there was a still more violent earthquake, and a huge gap appeared in the side of the Mountains.
Morgan, when he was driven from Cumberland Gap to the Ohio river by General Kirby Smith.