Bypass may refer to:
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Bypass (road)
A bypass is a road or highway that avoids or "bypasses" a built-up area, town, or village, to let through traffic flow without interference from local traffic, to reduce Traffic congestion, congestion in the built-up area, to improve road safety ...
, a road that avoids a built-up area (not to be confused with passing lane)
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Flood bypass
A flood bypass is a region of land or a large man-made structure that is designed to convey excess flood waters from a river or stream in order to reduce the risk of flooding on the natural river or stream near a key point of interest, such as a ...
of a river
Science and technology
Medicine
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Bypass surgery, a class of surgeries including for example:
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Heart bypass
**
Gastric bypass
Gastric bypass surgery refers to a technique in which the stomach is divided into a small upper pouch and a much larger lower "remnant" pouch, where the small intestine is rearranged to connect to both. Surgeons have developed several differen ...
**
Cardiopulmonary bypass
Cardiopulmonary bypass (CPB) or heart-lung machine, also called the pump or CPB pump, is a machine that temporarily takes over the function of the heart and lungs during open-heart surgery by maintaining the circulation of blood and oxygen throug ...
Other
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Bleach bypass, an optical effect produced by skipping a step when developing colour film
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Bypass capacitor
In electronics, a decoupling capacitor is a capacitor used to decouple (i.e. prevent electrical energy from transferring to) one part of a circuit from another. Noise caused by other circuit elements is shunted through the capacitor, reduc ...
, used to bypass a power supply or other high impedance component
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Bypass ratio
The bypass ratio (BPR) of a turbofan engine is the ratio between the mass flow rate of the bypass stream to the mass flow rate entering the core. A 10:1 bypass ratio, for example, means that 10 kg of air passes through the bypass duct for eve ...
in turbofan aircraft engines
**
Bypass duct
A turbofan or fanjet is a type of airbreathing jet engine that is widely used in aircraft propulsion. The word "turbofan" is a combination of references to the preceding generation engine technology of the turbojet and the additional fan stag ...
, whose size controls the bypass ratio
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Bypass switch
A bypass switch (or bypass TAP) is a hardware device that provides a fail-safe access port for an in-line active security appliance such as an intrusion prevention system (IPS), next generation firewall (NGFW), etc. Active, in-line security applia ...
, access port for an in-line active security appliance
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Bypass (telecommunications)
{{unreliable sources, date=October 2018
In telecommunications, the term bypass has these meanings:
# The use of any telecommunications facilities or services that circumvents those of the local exchange common carrier.
#: ''Note:'' Bypass faci ...
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Bypass tube
This article briefly describes the components and systems found in jet engines.
Major components
Major components of a turbojet including references to turbofans, turboprops and turboshafts:
*Cold section:
**Air intake (inlet) — For subsoni ...
* Bypass valve
** A
blowoff valve
A blowoff valve (also called dump valve or compressor bypass valve) is a pressure release system present in most petrol turbocharged engines. Blowoff valves are used to reduce pressure in the intake system as the throttle is closed, thus preventi ...
on a compressor
** A
Diving rebreather#Oxygen feed options on a diving rebreather
Other uses
* ''
The Bypass
''The Bypass'' is a 2003 Indian-British short silent crime film written and directed by Amit Kumar starring Nawazuddin Siddiqui, Irfan Khan and Sundar Dan Detha. The Bypass was filmed on a stranded road somewhere in Rajasthan, India. The film ...
'', a 2003 short silent Bollywood film
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Railroad bypass
A railroad (or railway) cutoff (or cut-off) is a new railroad line built to replace or supplement an existing route, typically one where the old line is deficient for some reason.
Reasons and types
The term "cutoff" refers to the fact that the ...
, a new railroad line built to replace or supplement an existing route
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By-pass Variegated
By-pass Variegated is a term coined by the cartoonist and architectural historian Osbert Lancaster in his 1938 book '' Pillar to Post''. It represents the ribbon development of houses in Britain in the 1920s and 1930s, in a mish-mash of architectu ...
, an architectural style
See also
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*
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Pass (disambiguation)
Pass, PASS, The Pass or Passed may refer to:
Places
*Pass, County Meath, a townland in Ireland
* Pass, Poland, a village in Poland
*El Paso, Texas, a city which translates to "The Pass"
* Pass, an alternate term for a number of straits: see L ...
*
By (disambiguation)
By or BY may refer to:
Places
* By, Doubs, France, a commune
* By, Norway, a village
Codes
* Belarus ISO country code
** .by, country-code top-level domain for Belarus
* Burundi, obsolete FIPS Pub 10-4 and NATO digram country codes
* TUI Ai ...
*
Byway (disambiguation)
{{disambiguation