bypassn.

Brit.

/ˈbʌɪpɑːs/,

/ˈbʌɪpas/, U.S.

/ˈbaɪˌpæs/

Inflections: Also formerly bye-pass;

Etymology: < by- comb. form 2c(a)(ii) + pass n.¹

1. A secondary pipe issuing from the main or service pipe below a stop-tap or cock, allowing the free passage of a small supply of gas, steam, etc., when the main supply is shut off; esp. the small tube and pilot light of a gas-jet, which remains alight when the jet is turned off. Also attributive.

ΘΚΠ

society > occupation and work > materials > fuel > gas or types of gas > [noun] > storage of gas > fittings

gas main1819

gas fitting1821

exhauster1841

bypass1848

gas line1879

1848 W. Pole tr. E. Alban High-pressure Steam Engine 264 It is a sort of by-pass, to allow the steam to travel freely from the upper into the lower box.

1876 Amer. Gas-L. Jrnl. 3 July 20 (Knight a 1884) Farmer's hydraulic main, with dip-pipe and bye-pass.

1888 Morning Post 12 Jan. 2/3 The only service from the stage supply that was open being one half inch bye-pass for the pilot light of auditorium sun burner.

1895 Daily News 10 Oct. 6/4 The innovation..consists of a little ‘by-pass’ arrangement by which a tiny flame is always kept going.

1901 Motor-Car World Oct. 272/1 A by-pass throttle or ‘accelerator’ valve, by opening which a full charge of mixture can be admitted at any speed of the engine.

1959 Times 25 July 9/4 An external by-pass valve.

2. An electrical circuit or element providing an alternative path for the flow of current. Also attributive.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electricity > circuit > [noun] > providing alternative path

bypass1914

1914 R. A. Philip in H. Pender Amer. Handbk. for Electr. Engineers 364 To avoid the excessively high voltage which would occur when the circuit opened..an automatic by-pass is provided in multiple with the lamps.

1930 Engineering 9 May 600/1 The sides of these two switches, which are remote from the transformer, being connected together to form a ‘by-pass’ connection.

1931 Answers 10 Oct. 36/2 It might be found advantageous to connect a by-pass condenser across the telephones in the case of short-wave sets.

1964 R. F. Ficchi Electr. Interference v. 49 A typical bypass filter made up of a capacitor component.

3. A road diverging from and re-entering a main road, esp. one constructed as an alternative route to relieve congestion of traffic in a town. Also attributive.

ΘΚΠ

society > travel > means of travel > route or way > way, path, or track > road > [noun] > for wheeled vehicles > ring road or by-pass

ring road1874

beltline1922

bypass1922

beltway1951

ringway1960

orbital1970

1922 Daily Mail 2 Dec. 5 New roads and by-passes, which should remove some of these danger spots.

1923 Times (Weekly ed.) 25 Jan. The Kingston by-pass will begin at the Robin Hood gate.

1929 Times 13 Nov. 9/4 It was recommended that the proposal to make a by-pass road be dropped.

1937 Times 13 July 10/4 The scheme has been referred to as ‘the Selborne by-pass’, but it does not by-pass Selborne at all.

1955 Times 13 June 5/3 Before they considered secondary roads..the trust should urge..the completion of the by-passes.

1966 J. Betjeman High & Low 70 This had to happen at the corner where the by-pass Comes into Egham out of Staines.

4. transferred and figurative.

ΘΚΠ

society > travel > means of travel > route or way > [noun] > roundabout or indirect > a round-about route

bypass1928

the world > action or operation > inaction > not doing > abstaining or refraining from action > [noun] > avoiding an action or condition > avoiding duty, work, or exertion > evasion of responsibility, obligation, etc. > an act or means of

evasionc1425

put-by1548

put-off1548

subterfuge1581

scape-sermon1654

offput1730

come-offa1836

bypass1957

body swerve1984

1928 T. E. Lawrence Let. 15 Mar. (1938) 579 They will come to you, round about through the parcel mail... I sent them by an official by-pass, for safety.

1957 Listener 18 July 102/3 To overstress Crashaw's capacity for writing hypnotic poetry would be a dangerous simplification, a crude bypass for those who want to dodge the implications of his belief.

5. Aeronautics. Applied to a type of jet engine (see quot. 1955).

ΚΠ

1948 Jrnl. Royal Aeronaut. Soc. 52 714/1 One stage on towards eliminating the propeller, the ducted fan or ‘by-pass’ engine offers interesting possibilities.

1955 Times 26 Aug. 4/5 In a conventional jet engine all the air is compressed and then heated by the injection of burning fuel, expanded through the turbine, and finally ejected at high velocity. In a by-pass engine only a proportion of the air is compressed and heated; the remainder by-passes the combustion system and turbine and rejoins the heated gases in the jet pipe, to mix with them and lower their temperature before the whole mixture is ejected at a lower speed than that in the ‘simple’ jet engine.

6. An alternative passage for the circulation of blood during a surgical operation (on the heart). Also attributive.

ΘΚΠ

the world > health and disease > healing > medical treatment > surgery > other surgical practices > [noun] > shunting or by-passing > shunt or by-pass

shunt1923

heart bypass1956

bypass1957

1957 Times 1 Nov. 11/7 The circulating blood may have to be diverted and oxygenated through a by-pass circuit while the heart is opened, so that a defect within it may be rectified.

1961 Lancet 22 July 182/2 The patient was on bypass for eighty-one minutes.

1961 Lancet 22 July 182/2 The first open repair on the heart, using a cardiopulmonary bypass, was carried out by Cooley et al. (1958).

Draft additions 1993

b. A permanent alternative pathway (usually avoiding an obstruction or constriction) created surgically within the circulatory system (esp. in or near the heart or brain), alimentary canal, etc., incorporating a transplanted or synthetic vessel or chamber; also, an operation to create such an alternative route, or an artificial device incorporating one. Frequently attributive, esp. as bypass operation, bypass surgery.

ΘΚΠ

the world > health and disease > healing > medical treatment > surgery > operations on specific parts or conditions > [noun] > operations to create a bypass

bypass1964

1964 W. A. Larmon in L. Davis Christopher's Textbk. Surg. (ed. 8) xxix. 1275/2 The saphenous vein is used for by-passing, replacing or patching the femoral and popliteal arteries. When it is normal, its accessibility is a great advantage. However, it is not always available in sufficient length for by-pass surgery.

1970 Sci. News Yearbk. 84 The DeBakey bypass, a spherical plastic chamber the size of an apple, skirts the heart's left ventricle, through which blood is normally pumped, and offers a parallel route.

1972 P. F. Nora Operative Surg. xxxvii. 795 (caption) Bypass from subclavian to left carotid artery.

1984 A. Smith Mind iv. xiv. 275 Neurosurgeons are now performing bypass operations to rearrange certain blood vessels over the brain.

1986 Daily News (N.Y.) 23 May 65/3 A hospital spokeswoman said [he]..was awake and in stable condition after his bypass operation.

This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2021).

bypassv.²

Brit.

/ˈbʌɪpɑːs/,

/ˈbʌɪpas/, U.S.

/ˈbaɪˌpæs/

Etymology: < bypass n.

a. transitive. To furnish with a bypass.

ΘΚΠ

society > occupation and work > industry > conducting of water, etc., by channels or pipes > plumbing and pipework > [verb (transitive)] > supply with channels or pipes

pipe1805

flume1855

bypass1886

stand-pipe1895

society > travel > means of travel > route or way > way, path, or track > road > [verb (transitive)] > furnish with by-pass

bypass1929

1886 Sci. Amer. Suppl. 4 Dec. 9099/3 I next by-passed the outlet valve with a one inch pipe.

1929 Times 28 May 17/4 Schemes are on foot for by-passing both Leatherhead and Dorking.

b. To take an indirect route around, to avoid (a locality, military position, etc.).

ΘΚΠ

society > travel > aspects of travel > travel in specific course or direction > direct (one's course, steps, etc.) [verb (transitive)] > pass round

round1743

flank1893

bypass1928

detour1941

1928 Evening Standard 12 Mar. 6/2 King's Langley and Tring by passing Bushey and Watford.

1937 Times 13 July 10/4 The scheme has been referred to as ‘the Selborne by-pass’, but it does not by-pass Selborne at all.

1942 Hutchinson's Pict. Hist. War 10 June–1 Sept. 72/1 German armoured divisions which had by-passed our positions west of Mersa Matruh.

1959 Listener 15 Jan. 115/2 We had to by-pass Tippaburra.

c. figurative.

ΘΚΠ

the world > action or operation > inaction > not doing > abstaining or refraining from action > abstain or refrain from (action) [verb (transitive)] > avoid or shun > a problem or difficulty

hipc1440

illude1553

to give (a person or thing) the go-by1654

slink1658

jump1844

sidestep1899

burke1921

duck1928

bypass1941

1941 Spectator 10 Oct. 358/1 Congress is only one party in India, but by general consent it is the largest one, and it's no good trying to by-pass it.

1949 A. Koestler Promise & Fulfilm. vii. 70 Conditioned during the course of a whole generation to bypass the law.

1959 Listener 4 June 971/1 Whenever he was at odds with his Secretary of State he simply by-passed him.

2. To conduct (liquid, gas, etc.) by means of a bypass.

ΘΚΠ

society > occupation and work > industry > conducting of water, etc., by channels or pipes > conduct (water, etc.) by channels or pipes [verb (transitive)]

leadc1275

derive1483

deduce1602

deduct1621

conduct1808

reconduct1825

canalize1886

bypass1909

1909 in Cent. Dict. Suppl.

1922 Encycl. Brit. XXX. 41/1 A valve for bypassing the whole or part of the exhaust gas directly into the atmosphere is provided to enable the output from the blower to be regulated.

1924 Glasgow Herald 6 Nov. 9 A small portion of the gas..is by-passed to a boiler.

This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2021).

单词	bypass
释义	bypassn. Brit. /ˈbʌɪpɑːs/, /ˈbʌɪpas/, U.S. /ˈbaɪˌpæs/ Inflections: Also formerly bye-pass; Etymology: < by- comb. form 2c(a)(ii) + pass n.¹ 1. A secondary pipe issuing from the main or service pipe below a stop-tap or cock, allowing the free passage of a small supply of gas, steam, etc., when the main supply is shut off; esp. the small tube and pilot light of a gas-jet, which remains alight when the jet is turned off. Also attributive. ΘΚΠ society > occupation and work > materials > fuel > gas or types of gas > [noun] > storage of gas > fittings gas main1819 gas fitting1821 exhauster1841 bypass1848 gas line1879 1848 W. Pole tr. E. Alban High-pressure Steam Engine 264 It is a sort of by-pass, to allow the steam to travel freely from the upper into the lower box. 1876 Amer. Gas-L. Jrnl. 3 July 20 (Knight a 1884) Farmer's hydraulic main, with dip-pipe and bye-pass. 1888 Morning Post 12 Jan. 2/3 The only service from the stage supply that was open being one half inch bye-pass for the pilot light of auditorium sun burner. 1895 Daily News 10 Oct. 6/4 The innovation..consists of a little ‘by-pass’ arrangement by which a tiny flame is always kept going. 1901 Motor-Car World Oct. 272/1 A by-pass throttle or ‘accelerator’ valve, by opening which a full charge of mixture can be admitted at any speed of the engine. 1959 Times 25 July 9/4 An external by-pass valve. 2. An electrical circuit or element providing an alternative path for the flow of current. Also attributive. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > circuit > [noun] > providing alternative path bypass1914 1914 R. A. Philip in H. Pender Amer. Handbk. for Electr. Engineers 364 To avoid the excessively high voltage which would occur when the circuit opened..an automatic by-pass is provided in multiple with the lamps. 1930 Engineering 9 May 600/1 The sides of these two switches, which are remote from the transformer, being connected together to form a ‘by-pass’ connection. 1931 Answers 10 Oct. 36/2 It might be found advantageous to connect a by-pass condenser across the telephones in the case of short-wave sets. 1964 R. F. Ficchi Electr. Interference v. 49 A typical bypass filter made up of a capacitor component. 3. A road diverging from and re-entering a main road, esp. one constructed as an alternative route to relieve congestion of traffic in a town. Also attributive. ΘΚΠ society > travel > means of travel > route or way > way, path, or track > road > [noun] > for wheeled vehicles > ring road or by-pass ring road1874 beltline1922 bypass1922 beltway1951 ringway1960 orbital1970 1922 Daily Mail 2 Dec. 5 New roads and by-passes, which should remove some of these danger spots. 1923 Times (Weekly ed.) 25 Jan. The Kingston by-pass will begin at the Robin Hood gate. 1929 Times 13 Nov. 9/4 It was recommended that the proposal to make a by-pass road be dropped. 1937 Times 13 July 10/4 The scheme has been referred to as ‘the Selborne by-pass’, but it does not by-pass Selborne at all. 1955 Times 13 June 5/3 Before they considered secondary roads..the trust should urge..the completion of the by-passes. 1966 J. Betjeman High & Low 70 This had to happen at the corner where the by-pass Comes into Egham out of Staines. 4. transferred and figurative. ΘΚΠ society > travel > means of travel > route or way > [noun] > roundabout or indirect > a round-about route bypass1928 the world > action or operation > inaction > not doing > abstaining or refraining from action > [noun] > avoiding an action or condition > avoiding duty, work, or exertion > evasion of responsibility, obligation, etc. > an act or means of evasionc1425 put-by1548 put-off1548 subterfuge1581 scape-sermon1654 offput1730 come-offa1836 bypass1957 body swerve1984 1928 T. E. Lawrence Let. 15 Mar. (1938) 579 They will come to you, round about through the parcel mail... I sent them by an official by-pass, for safety. 1957 Listener 18 July 102/3 To overstress Crashaw's capacity for writing hypnotic poetry would be a dangerous simplification, a crude bypass for those who want to dodge the implications of his belief. 5. Aeronautics. Applied to a type of jet engine (see quot. 1955). ΚΠ 1948 Jrnl. Royal Aeronaut. Soc. 52 714/1 One stage on towards eliminating the propeller, the ducted fan or ‘by-pass’ engine offers interesting possibilities. 1955 Times 26 Aug. 4/5 In a conventional jet engine all the air is compressed and then heated by the injection of burning fuel, expanded through the turbine, and finally ejected at high velocity. In a by-pass engine only a proportion of the air is compressed and heated; the remainder by-passes the combustion system and turbine and rejoins the heated gases in the jet pipe, to mix with them and lower their temperature before the whole mixture is ejected at a lower speed than that in the ‘simple’ jet engine. 6. An alternative passage for the circulation of blood during a surgical operation (on the heart). Also attributive. ΘΚΠ the world > health and disease > healing > medical treatment > surgery > other surgical practices > [noun] > shunting or by-passing > shunt or by-pass shunt1923 heart bypass1956 bypass1957 1957 Times 1 Nov. 11/7 The circulating blood may have to be diverted and oxygenated through a by-pass circuit while the heart is opened, so that a defect within it may be rectified. 1961 Lancet 22 July 182/2 The patient was on bypass for eighty-one minutes. 1961 Lancet 22 July 182/2 The first open repair on the heart, using a cardiopulmonary bypass, was carried out by Cooley et al. (1958). Draft additions 1993 b. A permanent alternative pathway (usually avoiding an obstruction or constriction) created surgically within the circulatory system (esp. in or near the heart or brain), alimentary canal, etc., incorporating a transplanted or synthetic vessel or chamber; also, an operation to create such an alternative route, or an artificial device incorporating one. Frequently attributive, esp. as bypass operation, bypass surgery. ΘΚΠ the world > health and disease > healing > medical treatment > surgery > operations on specific parts or conditions > [noun] > operations to create a bypass bypass1964 1964 W. A. Larmon in L. Davis Christopher's Textbk. Surg. (ed. 8) xxix. 1275/2 The saphenous vein is used for by-passing, replacing or patching the femoral and popliteal arteries. When it is normal, its accessibility is a great advantage. However, it is not always available in sufficient length for by-pass surgery. 1970 Sci. News Yearbk. 84 The DeBakey bypass, a spherical plastic chamber the size of an apple, skirts the heart's left ventricle, through which blood is normally pumped, and offers a parallel route. 1972 P. F. Nora Operative Surg. xxxvii. 795 (caption) Bypass from subclavian to left carotid artery. 1984 A. Smith Mind iv. xiv. 275 Neurosurgeons are now performing bypass operations to rearrange certain blood vessels over the brain. 1986 Daily News (N.Y.) 23 May 65/3 A hospital spokeswoman said [he]..was awake and in stable condition after his bypass operation. This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2021). bypassv.² Brit. /ˈbʌɪpɑːs/, /ˈbʌɪpas/, U.S. /ˈbaɪˌpæs/ Etymology: < bypass n. 1. a. transitive. To furnish with a bypass. ΘΚΠ society > occupation and work > industry > conducting of water, etc., by channels or pipes > plumbing and pipework > [verb (transitive)] > supply with channels or pipes pipe1805 flume1855 bypass1886 stand-pipe1895 society > travel > means of travel > route or way > way, path, or track > road > [verb (transitive)] > furnish with by-pass bypass1929 1886 Sci. Amer. Suppl. 4 Dec. 9099/3 I next by-passed the outlet valve with a one inch pipe. 1929 Times 28 May 17/4 Schemes are on foot for by-passing both Leatherhead and Dorking. b. To take an indirect route around, to avoid (a locality, military position, etc.). ΘΚΠ society > travel > aspects of travel > travel in specific course or direction > direct (one's course, steps, etc.) [verb (transitive)] > pass round round1743 flank1893 bypass1928 detour1941 1928 Evening Standard 12 Mar. 6/2 King's Langley and Tring by passing Bushey and Watford. 1937 Times 13 July 10/4 The scheme has been referred to as ‘the Selborne by-pass’, but it does not by-pass Selborne at all. 1942 Hutchinson's Pict. Hist. War 10 June–1 Sept. 72/1 German armoured divisions which had by-passed our positions west of Mersa Matruh. 1959 Listener 15 Jan. 115/2 We had to by-pass Tippaburra. c. figurative. ΘΚΠ the world > action or operation > inaction > not doing > abstaining or refraining from action > abstain or refrain from (action) [verb (transitive)] > avoid or shun > a problem or difficulty hipc1440 illude1553 to give (a person or thing) the go-by1654 slink1658 jump1844 sidestep1899 burke1921 duck1928 bypass1941 1941 Spectator 10 Oct. 358/1 Congress is only one party in India, but by general consent it is the largest one, and it's no good trying to by-pass it. 1949 A. Koestler Promise & Fulfilm. vii. 70 Conditioned during the course of a whole generation to bypass the law. 1959 Listener 4 June 971/1 Whenever he was at odds with his Secretary of State he simply by-passed him. 2. To conduct (liquid, gas, etc.) by means of a bypass. ΘΚΠ society > occupation and work > industry > conducting of water, etc., by channels or pipes > conduct (water, etc.) by channels or pipes [verb (transitive)] leadc1275 derive1483 deduce1602 deduct1621 conduct1808 reconduct1825 canalize1886 bypass1909 1909 in Cent. Dict. Suppl. 1922 Encycl. Brit. XXX. 41/1 A valve for bypassing the whole or part of the exhaust gas directly into the atmosphere is provided to enable the output from the blower to be regulated. 1924 Glasgow Herald 6 Nov. 9 A small portion of the gas..is by-passed to a boiler. This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2021). > see also also refers to : by-passv.¹ < n.1848v.²1886 see also
随便看	buy it buy low and sell high buy low sell high buy money buy now and pay etc later buy now and pay later buy now pay etc later buy now pay later buy off buy on dip buy on margin buy on or at the stub buy on the stump buy or sell stocks buy out buy out of buy outright buy over buy over a person's head buy rating buy something over a person's head buy the bargain buy the bargain dear buy the dip buy the etc

bypassn.

Draft additions 1993

bypassv.2

> see also

bypassv.²