make-and-breakn.

Brit.

/ˌmeɪk (ə)n(d) ˈbreɪk/, U.S.

/ˌmeɪk ən ˈbreɪk/

Forms: 1800s– make and break, 1900s– make-and-break.

Origin: Formed within English, by compounding. Etymons: make v.¹, and conj.¹, break v.

Etymology: < make v.¹ + and conj.¹ + break v., after to make or break contact at contact n. 1c.

In technical uses.

1. The alternate making and breaking of electrical contact. Frequently attributive.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electricity > transmission of electricity, conduction > connection, contact > [adjective]

make-and-break1857

1857 Chambers's Jrnl. 22 Aug. 121/1 The transmission of the current having..to be made through a make and break key of metal.

1875 F. Guthrie Magn. & Electr. §235 The automatic make and break.

1898 Engin. Mag. 16 120/2 The interruptions corresponding to the make and break of a telegraph key.

1904 A. B. F. Young Compl. Motorist (ed. 2) 197 The time of firing is controlled by a simple ‘make-and-break’ commutator placed on the half-time shaft.

1911 Encycl. Brit. XXVI. 520/2 In Squier and Crehore's ‘Synchronograph’ system ‘sine waves’ of current, instead of sharp ‘makes and breaks’,..are employed for transmitting signals.

1938 Archit. Rev. 83 p. lviii A semi-rotary quick make-and-break switch.

1958 Newnes Compl. Amateur Photogr. 120 To charge a large capacitor from accumulators requires a more complex power pack which includes a make-and-break coil, transformer and rectifier.

1991 Offshore Engineer Sept. 89/1 These tasks include:..make and break of electrical and hydraulic jumpers between the control umbilical, tree and control pod.

2. An apparatus for automatically making and breaking electrical contact.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electricity > transmission of electricity, conduction > connection, contact > [noun] > contact device

faceplate1860

brush-form1872

contact piece1876

brush1883

contact brush1884

contact block1901

make-and-break1903

1903 Motor 22 July 598/2 The platinum tips of the make and break begin to separate.

1911 A. B. Smith Mod. Amer. Telephony xxv. 689 The circuit consisted of an induction coil..and mechanical ‘make and break’ that gave 10,000 sparks per second.

1929 Times 5 Nov. 7/5 The distributor and make-and-break are easily seen.

1970 K. Ball Fiat 600, 600D Autobook xi. 138/2 Failure of the horn to operate may be due to..dirty contacts on the horn make-and-break.

This entry has been updated (OED Third Edition, June 2000; most recently modified version published online March 2022).

单词	make-and-break
释义	make-and-breakn. Brit. /ˌmeɪk (ə)n(d) ˈbreɪk/, U.S. /ˌmeɪk ən ˈbreɪk/ Forms: 1800s– make and break, 1900s– make-and-break. Origin: Formed within English, by compounding. Etymons: make v.¹, and conj.¹, break v. Etymology: < make v.¹ + and conj.¹ + break v., after to make or break contact at contact n. 1c. In technical uses. 1. The alternate making and breaking of electrical contact. Frequently attributive. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > transmission of electricity, conduction > connection, contact > [adjective] make-and-break1857 1857 Chambers's Jrnl. 22 Aug. 121/1 The transmission of the current having..to be made through a make and break key of metal. 1875 F. Guthrie Magn. & Electr. §235 The automatic make and break. 1898 Engin. Mag. 16 120/2 The interruptions corresponding to the make and break of a telegraph key. 1904 A. B. F. Young Compl. Motorist (ed. 2) 197 The time of firing is controlled by a simple ‘make-and-break’ commutator placed on the half-time shaft. 1911 Encycl. Brit. XXVI. 520/2 In Squier and Crehore's ‘Synchronograph’ system ‘sine waves’ of current, instead of sharp ‘makes and breaks’,..are employed for transmitting signals. 1938 Archit. Rev. 83 p. lviii A semi-rotary quick make-and-break switch. 1958 Newnes Compl. Amateur Photogr. 120 To charge a large capacitor from accumulators requires a more complex power pack which includes a make-and-break coil, transformer and rectifier. 1991 Offshore Engineer Sept. 89/1 These tasks include:..make and break of electrical and hydraulic jumpers between the control umbilical, tree and control pod. 2. An apparatus for automatically making and breaking electrical contact. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > transmission of electricity, conduction > connection, contact > [noun] > contact device faceplate1860 brush-form1872 contact piece1876 brush1883 contact brush1884 contact block1901 make-and-break1903 1903 Motor 22 July 598/2 The platinum tips of the make and break begin to separate. 1911 A. B. Smith Mod. Amer. Telephony xxv. 689 The circuit consisted of an induction coil..and mechanical ‘make and break’ that gave 10,000 sparks per second. 1929 Times 5 Nov. 7/5 The distributor and make-and-break are easily seen. 1970 K. Ball Fiat 600, 600D Autobook xi. 138/2 Failure of the horn to operate may be due to..dirty contacts on the horn make-and-break. This entry has been updated (OED Third Edition, June 2000; most recently modified version published online March 2022). < n.1857
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