preignition

English

Etymology

From pre- +‎ ignition.

Noun

preignition (plural preignitions)

1. (automotive) The premature detonation of a fuel charge in Four-stroke cycle engines.

Synonyms

• pinking
• pinging
• knocking

Translations

premature detonation in four-stroke cycle engines

• Finnish: aikainen sytytys
• French: autoallumage (fr) m
• Greek: προανάφλεξη (el) f (proanáflexi)
• Italian: preaccensione (it) f

Further reading

• Engine knocking on Wikipedia.Wikipedia