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bypass

 - 10 dictionary results
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by⋅pass

  [bahy-pas, -pahs] noun, verb, -passed or (Rare) -past; -passed or -past; -pass⋅ing.
Use bypass in a Sentence
–noun
1. a road enabling motorists to avoid a city or other heavy traffic points or to drive around an obstruction.
2. a secondary pipe or other channel connected with a main passage, as for conducting a liquid or gas around a fixture, pipe, or appliance.
3. Electricity. shunt (def. 9).
4. a surgical procedure in which a diseased or obstructed hollow organ is temporarily or permanently circumvented. Compare coronary bypass, gastric bypass, heart-lung machine, intestinal bypass.
–verb (used with object)
5. to avoid (an obstruction, city, etc.) by following a bypass.
6. to cause (fluid or gas) to follow a secondary pipe or bypass.
7. to neglect to consult or to ignore the opinion or decision of: He bypassed the foreman and took his grievance straight to the owner.
Also, by-pass.

Origin:
1840–50; appar. back formation from by-passage; see by 1 (adj.), passage 1

Related forms:
bypasser, by-passer, noun
nypass.com
Official Site - Free Entry to 50+ NY Attractions - Get nypass online
www.newyorkpass.com
Bypas
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www.RightHealth.com

shunt

  [shuhnt]
–verb (used with object)
1. to shove or turn (someone or something) aside or out of the way.
2. to sidetrack; get rid of.
3. Electricity.
a. to divert (a part of a current) by connecting a circuit element in parallel with another.
b. to place or furnish with a shunt.
4. Railroads. to shift (rolling stock) from one track to another; switch.
5. Surgery.
a. to divert blood or other fluid by means of a shunt.
b. the tube itself.
6. to move or turn aside or out of the way.
7. (of a locomotive with rolling stock) to move from track to track or from point to point, as in a railroad yard; switch.
–noun
8. the act of shunting; shift.
9. Also called bypass. Electricity. a conducting element bridged across a circuit or a portion of a circuit, establishing a current path auxiliary to the main circuit, as a resistor placed across the terminals of an ammeter for increasing the range of the device.
10. a railroad switch.
11. Surgery. a channel through which blood or other bodily fluid is diverted from its normal path by surgical reconstruction or by a synthetic tube.
12. Anatomy. an anastomosis.
–adjective
13. Electricity. being, having, or operating by means of a shunt: a shunt circuit; a shunt generator.
Origin:
1175–1225; (v.) ME schunten, shonten to shy (said of horses); (n.) ME, deriv. of the v.; akin to shun

Related forms:
shunter, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To bypass
by·pass also by-pass   (bī'pās')   
n.  

  1. A highway or section of a highway that passes around an obstructed or congested area.

  2. A pipe or channel used to conduct gas or liquid around another pipe or a fixture.

  3. A means of circumvention.

  4. Electricity See shunt.

  5. Medicine

    1. An alternative passage created surgically to divert the flow of blood or other bodily fluid or circumvent an obstructed or diseased organ.

    2. A surgical procedure to create such a channel: a coronary artery bypass; a gastric bypass.

tr.v.   by·passed also by-passed, by·pass·ing also by-pass·ing, by·pass·es also by-pass·es

  1. To avoid (an obstacle) by using an alternative channel, passage, or route.

  2. To be heedless of; ignore: bypassed standard office procedures.

  3. To channel (piped liquid, for example) through a bypass.

shunt   (shŭnt)   
n.  

  1. The act or process of turning aside or moving to an alternate course.

  2. A railroad switch.

  3. Electricity A low-resistance connection between two points in an electric circuit that forms an alternative path for a portion of the current. Also called bypass.

  4. Medicine A passage between two natural body channels, such as blood vessels, especially one created surgically to divert or permit flow from one pathway or region to another; a bypass.

v.   shunt·ed, shunt·ing, shunts

v.   tr.

  1. To turn or move aside or onto another course: shunting traffic around an accident.

  2. To evade by putting aside or ignoring: urgent problems that society can no longer shunt aside.

  3. To switch (a train or car) from one track to another.

  4. Electricity To provide or divert (current) by means of a shunt.

  5. Medicine To divert or permit flow of (a body fluid) from one pathway or region to another by surgical means.

v.   intr.

  1. To move or turn aside.

  2. Electricity To become diverted by means of a shunt. Used of a circuit.


[Middle English shunten, to flinch.]
shunt'er n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

shunt  (v.)
c.1225, perhaps from shunen "to shun" (see shun). Adopted by railways 1842 as a verb, 1862 as a noun, and by technicians in the sense of "electrical conductor" from 1863. Medical use dates from 1923.

bypass 
1848, of certain pipes in a gasworks, from by + pass. First used 1922 for "road for the relief of congestion;" fig. sense is from 1928. The heart operation was first so-called 1957.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: by·pass
Pronunciation: 'bI-"pas
Function: noun
: a surgically established shunt bypass of blood from the rightatrium to the aorta>; also : a surgical procedure for the establishment of a shunt —see CORONARYBYPASS, JEJUNOILEAL BYPASS —bypass transitive verb

Main Entry: 2shunt
Function: noun
1 : a passage by which a bodily fluid (as blood) is diverted from one channel, circulatory path, or part to another;especially : such a passage established by surgery or occurring as an abnormality shunt>
2 a : a surgical procedure for theestablishment of an artificial shunt —see PORTACAVAL SHUNT b : a device (as a narrow tube) usedto establish an artificial shunt shunts have been used to bypass temporarily sections of major arteries —Johnson McGuire & Arnold Iglauer>
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

bypass by·pass (bī'pās')
n.

  1. A passage created surgically to divert the flow of blood or other bodily fluid or to circumvent an obstructed or diseased organ.

  2. A surgical procedure to create such a channel.

shunt (shŭnt)
n.
A passage between two natural body channels, such as blood vessels, especially one created surgically to divert or permit flow from one pathway or region to another; a bypass.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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