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 congestion in the built-up area, and to improve road safety. A bypass spec ...
, a road that avoids a built-up area (not to be confused with passing lane)
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Flood bypass 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
Coronary artery bypass surgery, also known as coronary artery bypass graft (CABG, pronounced "cabbage") is a surgical procedure to treat coronary artery disease (CAD), the buildup of plaques in the arteries of the heart. It can relieve chest pai ...
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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 and then the small intestine is rearranged to connect to both. Surgeons have developed several diffe ...
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Cardiopulmonary bypass
Cardiopulmonary bypass (CPB) is a technique in which a machine temporarily takes over the function of the heart and lungs during surgery, maintaining the circulation of blood and oxygen to the body. The CPB pump itself is often referred to as a he ...
Other
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Bypass capacitor, used to bypass a power supply or other high impedance component
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High bypass
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 ev ...
, a turbofan aircraft gas turbine engine
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Bypass duct
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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 ev ...
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Bleach bypass, an optical effect
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Bypass (telecommunications)
* Bypass valve
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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
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manual gas addition valve on a rebreather
Other uses
* ''
The Bypass'', a 2003 short silent Bollywood film
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Railroad bypass, a new railroad line built to replace or supplement an existing route
See also
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Pass (disambiguation)
{{disambiguation