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pass,

opening or way by which a natural or artificial barrier can be crossed. The term pass is usually applied to a relatively narrow passage through a mountainous region. A pass, like an isthmus, may have great strategic and economic importance; the history of a nation has often been determined by its success or failure in defending a pass, and land trade routes must necessarily cross passes. In the Alps, Saint BernardSaint Bernard,
two Alpine passes, both used since antiquity. The Great Saint Bernard (alt. 8,110 ft/2,472 m), on the Italian-Swiss border, links Valais canton, Switzerland, with Valle d'Aosta, Italy.
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, SimplonSimplon
, pass, 6,590 ft (2,009 m) high, in the Lepontine Alps, Valais canton, S Switzerland. It is crossed by the Simplon Road built (1800–1806) by Napoleon I.
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, and Saint GotthardSaint Gotthard
, mountain group of the Lepontine Alps, S central Switzerland, rising to Pizzo Rotondo (10,472 ft/3,192 m high). The Reuss, Rhine, Ticino, and Rhône rivers rise there. It is crossed by the Saint Gotthard Pass, 6,935 ft (2,114 m) high.
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 are important; in the Caucasus, DaryalDaryal
or Dariel
, pass, c.3,950 ft (1,204 m) high, N Georgia, in the central Greater Caucasus Mts. below Mt. Kazbek. Situated above the Terek River, it is noted for its wild grandeur.
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 is traversed by a great military road; in Asia, Khyber PassKhyber Pass
, narrow, steep-sided pass, 28 mi (45 km) long, winding through the Safed Koh Mts., on the Pakistan-Afghanistan border; highest point is 3,500 ft (1,067 m). The routes through it link the cities of Peshawar, Pakistan, and Kabul, Afghanistan.
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 into India and the passes of the Himalayas, KarakorumKarakorum
or Karakoram,
mountain range, extending c.300 mi (480 km), between the Indus and Yarkant rivers, N Kashmir, S central Asia; SE extension of the Hindu Kush. It covers disputed territory, held by China on the north, India on the east, and Pakistan on the west.
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, and other ranges are important.

Pass

 

a gap formed by the grooves of two coupled rolls through which the metal to be reduced is passed in order to give it the required shape.

A distinction is made between reducing, roughing, and finishing passes. Reducing passes serve to reduce the cross section of the initial stock without significant alteration of its shape; roughing passes are used to produce rolled metal with a cross section close to that of the finishing stage; and finishing passes are used to give the metal its final shape and dimensions.

pass

[pas]
(aerospace engineering)
A single circuit of the earth made by a satellite; it starts at the time the satellite crosses the equator from the Southern Hemisphere into the Northern Hemisphere.
The period of time in which a satellite is within telemetry range of a data acquisition station.
(computer science)
A complete cycle of reading, processing, and writing in a computer.
(geography)
A natural break, depression, or other low place providing a passage through high terrain, such as a mountain range.
A navigable channel leading to a harbor or river.
A narrow opening through a barrier reef, atoll, or sand bar.
(mechanical engineering)
The number of times that combustion gases are exposed to heat transfer surfaces in boilers (that is, single-pass, double-pass, and so on).
In metal rolling, the passage in one direction of metal deformed between rolls.
In metal cutting, transit of a metal cutting tool past the workpiece with a fixed tool setting.
(metallurgy)
Passage of a metal bar between rolls.
Open space between two grooved rolls through which metal is processed.
Weld metal deposited in one trip along the axis of a weld.
(mining engineering)
A mine opening through which coal or ore is delivered from a higher to a lower level.
A passage left in old workings for workers to travel as they move from one level to another.
A treatment of the whole ore sample in a sample divider.
A passage of an excavation or grading machine.
In surface mining, a complete excavator cycle in removing overburden.

pass

A single progression of a welding operation along a joint, resulting in a weld bead.

PASS.

On drawings, abbr. for “passenger.”

pass

1. a route through a range of mountains where the summit is lower or where there is a gap between peaks
2. a way through any difficult region
3. a permit, licence, or authorization to do something without restriction
4. Brit
a. the passing of a college or university examination to a satisfactory standard but not as high as honours
b. (as modifier): a pass degree
5. a dive, sweep, or bombing or landing run by an aircraft
6. a motion of the hand or of a wand as a prelude to or part of a conjuring trick
7. Sport the transfer of a ball from one player to another
8. Fencing a thrust or lunge with a sword
9. Bridge the act of passing (making no bid)
10. Bullfighting a variant of pase
References in periodicals archive ?
And this can be a tricky thing to pull off when the cake literally disintegrates in your hands as you try to prize it off the plastic packaging and there are red faces all round for the crumbling mess you wanted to pass off as your dessert masterpiece.
The coaches will run the counter-trey, then build a counter run and a play-action pass off the counter trey action.
Tenants that occupy several floors within a building are easier targets for landlords wishing to pass off Local Law 26 expenses.
"It could be that people from the region know this is a busy area and think they can easily pass off their fake money.
"He's a big lad who can kick the ball a long way and has got a lovely pass off both hands," said Bristol's director of rugby Richard Hill.
The AA have noticed a sharp increase in the number of vendors trying to pass off mundane models as their sporty superiors.
Even though many of us had grown up playing basketball with our brothers and could dribble like Teresa Weatherspoon at full gallop--at least as I remember it--in regulation play we were forced to bounce three times and pass off. Games had the viscosity of the Valium Invitational.
Ishiuchi's photographs also communicate the isolation--which the artist tries to pass off as individuality--of her subjects.
The authorities had hoped that the Eid prayers would pass off peacefully after the lifting of curfew the day before.
Has it occurred to you that your ex chose to raise your daughter with a man who wanted to take on this responsibility, telling people she had miscarried so she could pass off the child as her new partner's?
They allegedly tried to pass off other notes that never existed.
A NORTH Wales pupil was suspended after he tried to pass off fake bank notes to pay for his school lunch.