bypass

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bypass

1. a main road built to avoid a city or other congested area
2. any system of pipes or conduits for redirecting the flow of a liquid
3. a means of redirecting the flow of a substance around an appliance through which it would otherwise pass
4. Surgery
a. the redirection of blood flow, either to avoid a diseased blood vessel or in order to perform heart surgery
b. (as modifier): bypass surgery
5. Electronics
a. an electrical circuit, esp one containing a capacitor, connected in parallel around one or more components, providing an alternative path for certain frequencies
b. (as modifier): a bypass capacitor

bypass

[′bī‚pas]
(civil engineering)
A road which carries traffic around a congested district or temporary obstruction.
(communications)
The use of alternative systems, such as satellite and microwave, to transmit data and voice signals, avoiding use of the communication lines of the local telephone company.
(electricity)
A shunt path around some element or elements of a circuit.
(engineering)
An alternating, usually smaller, diversionary flow path in a fluid dynamic system to avoid some device, fixture, or obstruction.

bypass

Any device (such as a pipe or duct) for directing flow around an element instead of through it.

bypass

In communications, to avoid the local telephone company by using satellites and microwave systems.
References in periodicals archive ?
Lehmann A, Karzau J, Boldt J, Thaler E, Lang J, Isgro E Bispectral index-guided anaesthesia in patients undergoing aortocoronary bypass grafting.
Abstract: A 74-year-old woman had a history over 25 years of endarterectomy of both renal arteries, iliac venous thrombosis, pulmonary embolism, left internal carotid artery endarterectomy, coronary angioplasty, aortocoronary bypass grafting, occlusion of the right axillary artery, lower-limb claudication due to common iliac artery aneurysm, external iliac artery stenosis, multiple femoral artery stenoses, bifurcational stent grafting, occlusion of the left brachial artery and the right external iliac artery, and stroke.
Retention or resumption of employment after aortocoronary bypass operations.