Spark plug

Spark plug
Spark plug Spark plug In internal-combustion engines with electric ignition, a plug, screwed into the cylinder head, connected with the induction coil or magneto circuit on the outside, and used to produce a spark to ignite the fuel-air mixture in the engine. [Webster 1913 Suppl. +PJC]

The Collaborative International Dictionary of English. 2000.

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  • spark|plug — spark plug, 1. a device in the cylinder of an internal combustion engine by which the mixture of gasoline and air is exploded by an electric spark. 2. Informal, Figurative. a person who gives energy or enthusiasm to others: »The shortstop is the… …   Useful english dictionary

  • spark-plug — spark plug, 1. a device in the cylinder of an internal combustion engine by which the mixture of gasoline and air is exploded by an electric spark. 2. Informal, Figurative. a person who gives energy or enthusiasm to others: »The shortstop is the… …   Useful english dictionary

  • spark plug — spark′ plug n. 1) aum elm a device that ignites the fuel mixture in a cylinder of an internal combustion engine 2) inf a person who leads, inspires, or animates • Etymology: 1900–05 spark′plug , v.t. plugged, plug•ging …   From formal English to slang

  • spark plug — also sparking plug BrE n a part in a car engine that produces an electric ↑spark to make the petrol mixture start burning …   Dictionary of contemporary English

  • spark plug — spark ,plug noun count a small part in a car s engine that creates a SPARK that makes the fuel burn …   Usage of the words and phrases in modern English

  • spark plug — spark plugs N COUNT A spark plug is a device in the engine of a motor vehicle, which produces electric sparks to make the petrol burn …   English dictionary

  • spark plug — (also sparking plug) ► NOUN ▪ a device for firing the explosive mixture in an internal combustion engine …   English terms dictionary

  • spark plug — ☆ spark plug n. 1. an electrical device threaded into the cylinder of an internal combustion engine to ignite the fuel mixture by producing timed sparks between electrodes 2. Informal a person or thing that inspires, activates, or advances… …   English World dictionary

  • Spark plug — A spark plug (also, very rarely nowadays, in British English: a sparking plug) is an electrical device that fits into the cylinder head of some internal combustion engines and ignites compressed aerosol gasoline by means of an electric spark.… …   Wikipedia

  • spark plug — A device containing two electrodes across which electricity jumps to produce a spark to fire the fuel charge. The center electrode is insulated from the spark plug shell by means of a molded insulator resembling porcelain. The side electrode… …   Dictionary of automotive terms

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