| 释义 |
▪ I. sparking, vbl. n.1|ˈspɑːkɪŋ|
[f. spark v.1]
a. The action of emitting sparks; spec. in Electr., the production or emission of electric sparks at points where the continuity of a current is broken or interrupted.
1611Cotgr., Scintillation, a sparking, or sparkling. 1883Daily News 29 Sept. 7/1 It is, perhaps, owing to this arrangement that there is so little sparking to be seen at the brushes of the machine. 1894Westm. Gaz. 15 Jan. 3/1 None of the electric supply companies can prevent sparking from their cables.
b. attrib., as sparking arrangement, sparking distance, sparking knob, etc. Special Combs.: sparking coil = spark coil s.v. spark n.1 7 d; sparking plug, a device that is fitted to the cylinder head of an internal-combustion engine and used to ignite the explosive mixture in the cylinder by the discharge of a spark between two electrodes at its end.
1881Nature No. 624. 572 As soon as the cloud by its motion comes within sparking distance. 1891Dublin Rev. Oct. 421 The sparking arrangement is placed inside an ordinary projection lantern. 1897G. D. Hiscox Gas, Gasoline, & Oil Vapor Engines x. 74 The sparking coil..consists of a bundle of iron wire, insulated and wrapped with insulated copper wire. 1900Knowledge 1 Oct. 234/2 If the electric bell was placed on the same table as the sparking knobs. 1902Daily Chron. 5 Sept. 7/5 Only when I got to the very top did I find the last sparking plug cracked. 1908tr. Lieckfeld's Oil Motors v. 85 A further improvement in electric ignition was introduced by the French firm [sc. de Dion et Bouton] when they brought out the sparking plug. 1929Proc. Inst. Automobile Engineers XXIII. 252 If the sparking coil and plug gap be so balanced that the spark is just able to pass without a following arc, then the least widening of the gap will result in a failure of the spark to pass. 1929E. Linklater Poet's Pub xxvi. 279 The life of a sparking-plug is a fierce tropical existence. 1970K. Ball Fiat 600, 600D Autobook iii. 35/2 For the best performance, sparking plugs should be renewed every 10,000 miles.
▪ II. ˈsparking, vbl. n.2 U.S.
[f. spark v.2]
Courting, paying attentions. Also attrib.
a1859McClintock Beadle's Crtship. (Bartlett), If I ever..had any dealings with the feminine gender again, in the sparking line. 1888Eggleston Graysons xxxiii, The boys that do a good deal of sparking, and the girls that have a lot of beaux.
▪ III. ˈsparking, ppl. a.
[f. spark v.1]
1. That emits sparks; filled with sparks.
a1300Cursor M. 2925 Wit sparcand reke..Als it war a brinand ouen. 1826J. Wilson Noct. Ambr. Wks. 1855 I. 152 Then there is naething but sparking ashes. 1904Westm. Gaz. 21 Sept. 1/1 About as comfortable a seat as a barrel of gunpowder in a sparking smithy.
2. Sc. That gives off spots; spattering.
1873A. G. Murdoch Doric Lyre 57 Noo I maun dicht my sparkin' pen. |