circuit breakern.

Brit.

/ˈsəːkɪt breɪkə/, U.S.

/ˈsərkət ˌbreɪkər/

Origin: Formed within English, by compounding. Etymons: circuit n., breaker n.¹

Etymology: < circuit n. + breaker n.¹

1. A device that stops or interrupts the flow of current in an electric circuit; (in later use spec.) an automatic safety device that protects a circuit from the effects of a power surge or other voltage anomaly.

ΘΠ

the world > matter > physics > electromagnetic radiation > electricity > circuit > circuit-breaker > [noun]

contact-breaker1838

cutout1874

safety fuse1882

break-circuita1884

fuse1884

contactor1910

oil circuit-breaker1916

tapping key1916

the world > matter > physics > electromagnetic radiation > electricity > electric current > flow of electricity > [noun] > device interrupting

rheotome1843

interrupter1851

chopper1929

1850 Astron. Jrnl. 1 50/2 The introduction of the automatic circuit-breakers, for graduating the registers, gave hopes of better success.

1879 G. B. Prescott Speaking Telephone (new ed.) 251 A delicate circuit-breaker..arranged to break the circuit of a telegraph line at the vibration.

1943 Triumphs of Engin. 74/2 In addition to this safeguard, high-speed circuit-breakers are introduced into the lines at the switching stations.

2007 Horse & Rider Oct. 84/1 If you are connecting straight to the mains, use a circuit breaker as this cuts off electricity in an emergency.

2022 Targeted News Service (Nexis) 15 Apr. A dead tank circuit breaker for protecting electrical components against electrical surges and other voltage anomalies such as transient overvoltages.

2. figurative.

a. Something which serves to put a (temporary) stop to an undesirable situation or event.

1955 Hospitals Feb. 102/3 Job analysis can serve as a circuit breaker of inefficient work methods and poor placement of equipment.

1973 Financing Schools & Property Tax Relief (U.S Advisory Comm. Intergovernm. Relations) v. 44 In recent years tax policy-makers have turned to a new form of property tax relief—the circuit-breaker... It protects the poor from tax overload without disrupting the flow of tax revenue from those able to pay.

1990 Sydney Morning Herald (Nexis) 27 Oct. 3 A spokesman..said jails had to be returned to normal discipline and that a circuit-breaker to the present dispute needed to be found.

2020 Straits Times (Singapore) (Nexis) 28 May [With reference to a brief lockdown (lockdown n. 2b) aimed to reduce the spread of disease.] With nowhere to go given the Covid-19 circuit breaker, most residents in the quiet Boon Lay neighbourhood had settled in for the night.

b. Stock Market. An automatic, temporary halt placed on stock trading, either in a stock market or an individual stock, typically as a means of inhibiting panic selling or to prevent automated trading processes from accelerating a market run.Circuit breakers are typically triggered when a fall in price of a specified percentage occurs.

ΘΠ

society > trade and finance > stocks and shares > [noun] > specific operations or arrangements

intromission1567

hedginga1631

retiring1681

partnership1704

put1718

time bargain1720

bargain for time1721

option1746

call1825

put and call1826

cornering1841

corner1853

raid1866

pooling1871

squeeze1872

call option1874

recapitalization1874

short squeeze1877

split-up1878

margin call1888

pyramid1888

profit taking1891

pyramiding1895

underwriting1895

melon-cutting1900

round turn1901

market-making1902

put-through1902

put and take1921

round trip1922

put and take1929

leverage1931

split-down1932

switching1932

give-up1934

mark to market1938

recap1940

rollover1947

downtick1954

stock split1955

traded option1955

leg1959

stock splitting1959

rollover1961

split1972

spread betting1972

unitization1974

marking-to-market1981

swap1982

telebroking1984

1988 N. L. Brady et al. Rep. U.S. Presidential Task Force Market Mechanisms vii. 66 Circuit breakers cushion the impact of market movements, which would otherwise damage market infrastructures.

1999 OECD Econ. Surv.: U.S. iii. 87 These circuit breaker rules were first instituted in the aftermath of the 1987 stock market crash but were applied only once the index fell 554 points, or 7.2 per cent, in October 1997.

2015 Globe & Mail (Toronto) 25 Aug. b1 The stomach-churning drop on the Toronto Stock Exchange Monday morning triggered a rare flurry of circuit breakers that cut trading in individual stocks.

This entry has been updated (OED Third Edition, December 2022).

circuit breaker n. an automatic, temporary halt placed on stock trading, either in a stock market or an individual stock, typically as a means of inhibiting panic selling or to prevent automated trading processes from accelerating a market run.Circuit breakers are typically triggered when a fall in price of a specified percentage occurs.

ΚΠ

1988 N. L. Brady et al. Rep. U.S. Presidential Task Force Market Mechanisms vii. 66 Circuit breakers cushion the impact of market movements, which would otherwise damage market infrastructures.

2015 Globe & Mail (Toronto) 25 Aug. b1 The stomach-churning drop on the Toronto Stock Exchange Monday morning triggered a rare flurry of circuit breakers that cut trading in individual stocks.

2020 Independent (Nexis) 9 Mar. Although the circuit breaker was able to help the market from plummeting more, it is still shaping up to be one of the worst days on Wall Street in years.

单词	circuit breaker
释义	circuit breakern. Brit. /ˈsəːkɪt breɪkə/, U.S. /ˈsərkət ˌbreɪkər/ Origin: Formed within English, by compounding. Etymons: circuit n., breaker n.¹ Etymology: < circuit n. + breaker n.¹ 1. A device that stops or interrupts the flow of current in an electric circuit; (in later use spec.) an automatic safety device that protects a circuit from the effects of a power surge or other voltage anomaly. ΘΠ the world > matter > physics > electromagnetic radiation > electricity > circuit > circuit-breaker > [noun] contact-breaker1838 cutout1874 safety fuse1882 break-circuita1884 fuse1884 contactor1910 oil circuit-breaker1916 tapping key1916 the world > matter > physics > electromagnetic radiation > electricity > electric current > flow of electricity > [noun] > device interrupting rheotome1843 interrupter1851 chopper1929 1850 Astron. Jrnl. 1 50/2 The introduction of the automatic circuit-breakers, for graduating the registers, gave hopes of better success. 1879 G. B. Prescott Speaking Telephone (new ed.) 251 A delicate circuit-breaker..arranged to break the circuit of a telegraph line at the vibration. 1943 Triumphs of Engin. 74/2 In addition to this safeguard, high-speed circuit-breakers are introduced into the lines at the switching stations. 2007 Horse & Rider Oct. 84/1 If you are connecting straight to the mains, use a circuit breaker as this cuts off electricity in an emergency. 2022 Targeted News Service (Nexis) 15 Apr. A dead tank circuit breaker for protecting electrical components against electrical surges and other voltage anomalies such as transient overvoltages. 2. figurative. a. Something which serves to put a (temporary) stop to an undesirable situation or event. Π 1955 Hospitals Feb. 102/3 Job analysis can serve as a circuit breaker of inefficient work methods and poor placement of equipment. 1973 Financing Schools & Property Tax Relief (U.S Advisory Comm. Intergovernm. Relations) v. 44 In recent years tax policy-makers have turned to a new form of property tax relief—the circuit-breaker... It protects the poor from tax overload without disrupting the flow of tax revenue from those able to pay. 1990 Sydney Morning Herald (Nexis) 27 Oct. 3 A spokesman..said jails had to be returned to normal discipline and that a circuit-breaker to the present dispute needed to be found. 2020 Straits Times (Singapore) (Nexis) 28 May [With reference to a brief lockdown (lockdown n. 2b) aimed to reduce the spread of disease.] With nowhere to go given the Covid-19 circuit breaker, most residents in the quiet Boon Lay neighbourhood had settled in for the night. b. Stock Market. An automatic, temporary halt placed on stock trading, either in a stock market or an individual stock, typically as a means of inhibiting panic selling or to prevent automated trading processes from accelerating a market run.Circuit breakers are typically triggered when a fall in price of a specified percentage occurs. ΘΠ society > trade and finance > stocks and shares > [noun] > specific operations or arrangements intromission1567 hedginga1631 retiring1681 partnership1704 put1718 time bargain1720 bargain for time1721 option1746 call1825 put and call1826 cornering1841 corner1853 raid1866 pooling1871 squeeze1872 call option1874 recapitalization1874 short squeeze1877 split-up1878 margin call1888 pyramid1888 profit taking1891 pyramiding1895 underwriting1895 melon-cutting1900 round turn1901 market-making1902 put-through1902 put and take1921 round trip1922 put and take1929 leverage1931 split-down1932 switching1932 give-up1934 mark to market1938 recap1940 rollover1947 downtick1954 stock split1955 traded option1955 leg1959 stock splitting1959 rollover1961 split1972 spread betting1972 unitization1974 marking-to-market1981 swap1982 telebroking1984 1988 N. L. Brady et al. Rep. U.S. Presidential Task Force Market Mechanisms vii. 66 Circuit breakers cushion the impact of market movements, which would otherwise damage market infrastructures. 1999 OECD Econ. Surv.: U.S. iii. 87 These circuit breaker rules were first instituted in the aftermath of the 1987 stock market crash but were applied only once the index fell 554 points, or 7.2 per cent, in October 1997. 2015 Globe & Mail (Toronto) 25 Aug. b1 The stomach-churning drop on the Toronto Stock Exchange Monday morning triggered a rare flurry of circuit breakers that cut trading in individual stocks. This entry has been updated (OED Third Edition, December 2022). > as lemmas circuit breaker circuit breaker n. an automatic, temporary halt placed on stock trading, either in a stock market or an individual stock, typically as a means of inhibiting panic selling or to prevent automated trading processes from accelerating a market run.Circuit breakers are typically triggered when a fall in price of a specified percentage occurs. ΚΠ 1988 N. L. Brady et al. Rep. U.S. Presidential Task Force Market Mechanisms vii. 66 Circuit breakers cushion the impact of market movements, which would otherwise damage market infrastructures. 2015 Globe & Mail (Toronto) 25 Aug. b1 The stomach-churning drop on the Toronto Stock Exchange Monday morning triggered a rare flurry of circuit breakers that cut trading in individual stocks. 2020 Independent (Nexis) 9 Mar. Although the circuit breaker was able to help the market from plummeting more, it is still shaping up to be one of the worst days on Wall Street in years. extracted from circuitn. < n.1850 as lemmas
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circuit breakern.

> as lemmas