preignition
[ pree-ig-nish-uh n ]
/ ˌpri ɪgˈnɪʃ ən /
noun
ignition of the charge in an internal-combustion engine earlier in the cycle than is compatible with proper operation.
Words nearby preignition
prehnite,
prehominid,
prehormone,
prehuman,
preictal,
preignition,
preincarnation,
preincline,
preindicate,
preindustrial,
preinform
British Dictionary definitions for pre-ignition
pre-ignition
/ (ˌpriːɪɡˈnɪʃən) /
noun
ignition of all or part of the explosive charge in an internal-combustion engine before the exact instant necessary for correct operation