junction


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junction

1. Electronics
a. a contact between two different metals or other materials
b. a transition region between regions of differing electrical properties in a semiconductor
2. a connection between two or more conductors or sections of transmission lines

junction

[′jəŋk·shən]
(civil engineering)
A point of intersection of roads or highways, especially where one terminates.
(electricity)
(electronics)
A region of transition between two different semiconducting regions in a semiconductor device, such as a pn junction, or between a metal and a semiconductor.
(electromagnetism)
A fitting used to join a branch waveguide at an angle to a main waveguide, as in a tee junction. Also known as waveguide junction.

junction

The point at which two elements make contact. In a transistor, a junction is the point where an N-type material makes contact with a P-type material.
References in classic literature ?
It was now nearly half an hour past noon, the down train had just gone by, and there would be no more traffic at the junction until half-past three, when the local train comes in to meet the up express at a quarter before four.
On my arrival at Starkfield, Denis Eady, the rich Irish grocer, who was the proprietor of Starkfield's nearest approach to a livery stable, had entered into an agreement to send me over daily to Corbury Flats, where I had to pick up my train for the Junction.
At noon we camped three hours and took luncheon at Mekseh, near the junction of the Lebanon Mountains and the Jebel el Kuneiyiseh, and looked down into the immense, level, garden-like Valley of Lebanon.
The Asiatics had descended and cut every wire and made a cinder-heap of the Junction, and our travellers pushed on eastward.
A member of the Hofkriegsrath from Vienna had come to Kutuzov the day before with proposals and demands for him to join up with the army of the Archduke Ferdinand and Mack, and Kutuzov, not considering this junction advisable, meant, among other arguments in support of his view, to show the Austrian general the wretched state in which the troops arrived from Russia.
The spear entered the rhinoceros' neck at its junction with the left shoulder and passed almost entirely through the beast's body, and at the instant that he launched it, Tarzan leaped straight into the air alighting upon Buto's back but escaping the mighty horn.
Da Souza had purchased a morning paper at the junction, and their host's perfidy had become apparent.
On Tuesday afternoon a Boston lawyer, who had been trying a case in Vermont, was standing on the siding at White River Junction when the Canadian Express pulled by on its northward journey.
About midway between the head and the mouth of Macarger's Gulch, the hill on the right as you ascend is cloven by another gulch, a short dry one, and at the junction of the two is a level space of two or three acres, and there a few years ago stood an old board house containing one small room.
He had left Julius at the junction about three hours since.
We had sallied forth from a desolate little junction within quite a few miles of Milchester, had been caught in a shower, had run for shelter to a wayside inn.
Nor was the scenery, as we approached the junction of the Ohio and Mississippi rivers, at all inspiriting in its influence.