spark-plug

  • 1spark|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

  • 2spark-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

  • 3Spark 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 …

    The Collaborative International Dictionary of English

  • 4spark 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

  • 5spark 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

  • 6spark 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

  • 7spark 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

  • 8spark plug — (also sparking plug) ► NOUN ▪ a device for firing the explosive mixture in an internal combustion engine …

    English terms dictionary

  • 9spark 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

  • 10Spark 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