preignition

preignition
/pree'ig nish"euhn/, n.
ignition of the charge in an internal-combustion engine earlier in the cycle than is compatible with proper operation.
[1895-1900; PRE- + IGNITION]

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Universalium. 2010.

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Look at other dictionaries:

  • Preignition — Pre ig*ni tion, n. (Engin.) Ignition in an internal combustion engine while the inlet valve is open or before compression is completed. [Webster 1913 Suppl.] …   The Collaborative International Dictionary of English

  • preignition — [prē΄ig nish′ən] n. in an internal combustion engine, ignition occurring before the intake valve is closed or before the spark plug fires …   English World dictionary

  • preignition — The ignition of the fuel air charge prior to the spark plug firing. Preignition caused by some other ignition source such as an overheated spark plug tip, carbon deposits in the combustion chamber, and, rarely, a burned exhaust valve. All act as… …   Aviation dictionary

  • preignition — noun Date: 1898 ignition in an internal combustion engine while the inlet valve is open or before compression is completed …   New Collegiate Dictionary

  • preignition — noun The premature detonation of a charge in . It is sometimes referred to as knocking …   Wiktionary

  • preignition — prɪːɪg nɪʃn n. act of lighting in advance, act of kindling ahead of time, act of setting aflame in advance …   English contemporary dictionary

  • preignition — pre·ignition …   English syllables

  • preignition — pre•ig•ni•tion [[t]ˌpri ɪgˈnɪʃ ən[/t]] n. aum ignition of the charge in an internal combustion engine earlier in the cycle than is compatible with proper operation • Etymology: 1895–1900 …   From formal English to slang

  • preignition — The fuel charge being ignited before the proper time. Sometimes causes pinging or detonation. This is the combustion of the fuel air mixture that is not a result of the spark plug s firing, but by high pressure, a flame, or a hot surface …   Dictionary of automotive terms

  • preignition — |prē+ noun Etymology: pre + ignition : ignition in an internal combustion engine occurring while the inlet valve is open or before compression is completed compare autoignition …   Useful english dictionary

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