pass


Also found in: Dictionary, Thesaurus, Medical, Legal, Financial, Acronyms, Idioms, Wikipedia.

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.
..... Click the link for more information.
, 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.
..... Click the link for more information.
, 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.
..... Click the link for more information.
 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.
..... Click the link for more information.
 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.
..... Click the link for more information.
 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.
..... Click the link for more information.
, 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 classic literature ?
This time, after going to the far side or the Pass, he suddenly turned down a narrow roadway which ran sharply to the right.
Tell us who you be, and what mission calls you to this unknown world beneath the Valley Dor, then maybe we can see our way to let you pass upon the errand which we should like to undertake would our orders permit.
On the other hand my reputation as a fighting man might be sufficient to pass me by these two were their livers not of the right complexion to welcome a battle to the death.
I believe that you will see the wisdom of permitting me to pass unmolested," I said, "for it would avail you nothing to die uselessly in the rocky bowels of Barsoom merely to protect a hereditary enemy, such as Thurid, Dator of the First Born.
If she could pass this one without too much delay she could escape, of that she was certain.
From where they now stood they could look forward down a long vista of beech woods and jagged rock-strewn wilderness, all white with snow, to where the pass opened out upon the uplands beyond.
Pass word to the men, Aylward, that they unsling their bows, for I have no doubt that there are some very worthy gentlemen yonder who may give us some opportunity for honorable advancement.
I'd rather not pass at all than not come out pretty well up on the list," flashed Anne, by which she meant--and Diana knew she meant--that success would be incomplete and bitter if she did not come out ahead of Gilbert Blythe.
When three weeks had gone by without the pass list appearing Anne began to feel that she really couldn't stand the strain much longer.
On each side of the ridge, we had to pass over broad bands of perpetual snow, which were now soon to be covered by a fresh layer.
Casuchas, or houses of refuge, have not been built in this pass as in that of Uspallata, and, therefore, during the autumn, the Portillo is little frequented.
One could pass from one to another of these rooms without having to go by way of the gallery.