auto-ignitionn.

Brit.

/ˌɔːtəʊɪɡˈnɪʃn/, U.S.

/ˌɔdoʊəɡˈnɪʃən/,

/ˌɑdoʊəɡˈnɪʃən/

Origin: Formed within English, by compounding. Etymons: auto- comb. form¹, ignition n.

Etymology: < auto- comb. form¹ + ignition n.

1. Spontaneous ignition of a combustible mixture, without an external source of ignition (such as a flame or spark); spec. this event in an internal combustion engine (cf. pre-ignition n.).

ΘΚΠ

society > occupation and work > equipment > machine > machines which impart power > engine > internal-combustion engine > [noun] > ignition > types of

pre-ignition1898

auto-ignition1901

magneto ignition1902

tube-ignition1903

coil ignition1911

cold starting1930

compression-ignition1936

1901 E. W. Longanecker Pract. Gas Engineer 62 The principal objection to a high compression is the danger of premature firing of charges under a full load, which is due to auto-ignition, a result of high compression pressure.

1970 Directory Fire Res. U.S. 1967–9 (National Res. Council (U.S.)) 192 The autoignition hazard and fuel tank flammability hazard within a simulated supersonic aircraft fuel tank.

2003 B. Hamilton & R. L. Falkiner in G. E. Totten Fuels & Lubricants Handbk. iii. 83/2 There is a general correlation between the octane number of a fuel and the autoignition temperature.

2. Automated ignition; a mechanism that ignites a gas jet or burner automatically.

ΚΠ

1903 Gas Engine Sept. 328/1 He would consider it a great advantage if electricity could be abandoned as a source of ignition and a general system of auto-ignition employed.

1962 Engineering 26 Jan. 137 Auto-ignition is now virtually standard on gas cookers.

1994 Daily Tel. (Nexis) 11 June 5 An auto-ignition gas barbecue.

This is a new entry (OED Third Edition, June 2011; most recently modified version published online December 2021).

单词	auto-ignition
释义	auto-ignitionn. Brit. /ˌɔːtəʊɪɡˈnɪʃn/, U.S. /ˌɔdoʊəɡˈnɪʃən/, /ˌɑdoʊəɡˈnɪʃən/ Origin: Formed within English, by compounding. Etymons: auto- comb. form¹, ignition n. Etymology: < auto- comb. form¹ + ignition n. 1. Spontaneous ignition of a combustible mixture, without an external source of ignition (such as a flame or spark); spec. this event in an internal combustion engine (cf. pre-ignition n.). ΘΚΠ society > occupation and work > equipment > machine > machines which impart power > engine > internal-combustion engine > [noun] > ignition > types of pre-ignition1898 auto-ignition1901 magneto ignition1902 tube-ignition1903 coil ignition1911 cold starting1930 compression-ignition1936 1901 E. W. Longanecker Pract. Gas Engineer 62 The principal objection to a high compression is the danger of premature firing of charges under a full load, which is due to auto-ignition, a result of high compression pressure. 1970 Directory Fire Res. U.S. 1967–9 (National Res. Council (U.S.)) 192 The autoignition hazard and fuel tank flammability hazard within a simulated supersonic aircraft fuel tank. 2003 B. Hamilton & R. L. Falkiner in G. E. Totten Fuels & Lubricants Handbk. iii. 83/2 There is a general correlation between the octane number of a fuel and the autoignition temperature. 2. Automated ignition; a mechanism that ignites a gas jet or burner automatically. ΚΠ 1903 Gas Engine Sept. 328/1 He would consider it a great advantage if electricity could be abandoned as a source of ignition and a general system of auto-ignition employed. 1962 Engineering 26 Jan. 137 Auto-ignition is now virtually standard on gas cookers. 1994 Daily Tel. (Nexis) 11 June 5 An auto-ignition gas barbecue. This is a new entry (OED Third Edition, June 2011; most recently modified version published online December 2021). < n.1901
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