MLchartDataset catalogue

Preignition

Term · Industrial and trades · MLC-T-IND-004483

The uncontrolled ignition of the air-fuel mixture in an internal combustion engine cylinder before the spark plug fires. This phenomenon can be caused by hot spots in the combustion chamber, such as glowing carbon deposits or overheated spark plug electrodes. Preignition can lead to engine damage, reduced performance, and an audible knocking sound.

Table 1. Record
IdentifierMLC-T-IND-004483
FieldIndustrial and trades
SubjectAutomotive
Synonymspinking; pinging; knocking
See alsoKnocking
TranslationsGerman: Frühentzündung; Spanish: preignición; French: préallumage
Record as JSON
{
  "id": "MLC-T-IND-004483",
  "term": "Preignition",
  "field": "Industrial and trades",
  "definition": "The uncontrolled ignition of the air-fuel mixture in an internal combustion engine cylinder before the spark plug fires. This phenomenon can be caused by hot spots in the combustion chamber, such as glowing carbon deposits or overheated spark plug electrodes. Preignition can lead to engine damage, reduced performance, and an audible knocking sound.",
  "synonyms": [
    "pinking",
    "pinging",
    "knocking"
  ],
  "subject": "Automotive",
  "see_also": [
    "knocking"
  ],
  "translations": {
    "de": "Frühentzündung",
    "es": "preignición",
    "fr": "préallumage"
  },
  "url": "https://mlchart.com/terminology/industrial/preignition/"
}

Record 4,855 of 7,291 in Industrial and trades terminology (MLC-0113). Request the full dataset.