英语词汇“jump spark”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

jump spark n.

Brit.

/ˈdʒʌmp spɑːk/

U.S.

/ˈdʒəmp ˌspɑrk/

a spark produced by the application of a potential difference to two electrical conductors separated by a narrow gap; usually attributive, designating devices or methods employing this.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electricity > discharge of electricity > [adjective] > relating to sparks

spark-gap1889

jump spark1908

the world > matter > physics > electromagnetic radiation > electricity > discharge of electricity > [noun] > point of discharge > discontinuous discharge

electric spark1745

spark1749

electric(al) spark1771

brush1789

brush discharge1849

jump spark1908

1908 J. H. Adams in Onker & Baker Harper's How to understand Electr. Work 340/2 Jump-spark, a disruptive spark excited between two conducting surfaces in distinction from a spark excited by a rubbing contact.

1911 Daily Colonist (Victoria, Brit. Columbia) 20 Apr. 8/1 A regal Marine Engine... Jump spark or make-and-break ignition.

1922 A. F. Collins Bk. Wireless Telegr. & Telephone i. 6 The spark-coil, or induction coil,..is used to change the battery current into a current of high pressure to make jump sparks.

1938 A. W. Judge Automobile Electr. Maintenance ii. 27 A brass plate at the end of the arm..passes very close to the brass contacts..as it rotates, so that a spark leaps across the small air gap. This is known as the jump spark method.

1963 A. Bird & F. Hutton-Stott Veteran Motor Car Pocketbk. 8 ‘Jump-spark’ ignition in American usage generally, though not always, referred to high tension coil and battery apparatus with a mechanical contact-breaker and non-trembling coil, but in English usage, at one time, ‘jump-spark ignition’ meant any form of H.T. ignition with spark-gaps or ‘intensifiers’ included in the circuit.

单词	jump spark
释义	> as lemmas jump spark jump spark n. Brit. /ˈdʒʌmp spɑːk/ , U.S. /ˈdʒəmp ˌspɑrk/ a spark produced by the application of a potential difference to two electrical conductors separated by a narrow gap; usually attributive, designating devices or methods employing this. ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > discharge of electricity > [adjective] > relating to sparks spark-gap1889 jump spark1908 the world > matter > physics > electromagnetic radiation > electricity > discharge of electricity > [noun] > point of discharge > discontinuous discharge electric spark1745 spark1749 electric(al) spark1771 brush1789 brush discharge1849 jump spark1908 1908 J. H. Adams in Onker & Baker Harper's How to understand Electr. Work 340/2 Jump-spark, a disruptive spark excited between two conducting surfaces in distinction from a spark excited by a rubbing contact. 1911 Daily Colonist (Victoria, Brit. Columbia) 20 Apr. 8/1 A regal Marine Engine... Jump spark or make-and-break ignition. 1922 A. F. Collins Bk. Wireless Telegr. & Telephone i. 6 The spark-coil, or induction coil,..is used to change the battery current into a current of high pressure to make jump sparks. 1938 A. W. Judge Automobile Electr. Maintenance ii. 27 A brass plate at the end of the arm..passes very close to the brass contacts..as it rotates, so that a spark leaps across the small air gap. This is known as the jump spark method. 1963 A. Bird & F. Hutton-Stott Veteran Motor Car Pocketbk. 8 ‘Jump-spark’ ignition in American usage generally, though not always, referred to high tension coil and battery apparatus with a mechanical contact-breaker and non-trembling coil, but in English usage, at one time, ‘jump-spark ignition’ meant any form of H.T. ignition with spark-gaps or ‘intensifiers’ included in the circuit. extracted from jump-comb. form < as lemmas
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> as lemmas