preignition

[ pree-ig-nish-uhn ]

noun
  1. ignition of the charge in an internal-combustion engine earlier in the cycle than is compatible with proper operation.

Origin of preignition

1
First recorded in 1895–1900; pre- + ignition

Words Nearby preignition

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

British Dictionary definitions for pre-ignition

pre-ignition

/ (ˌpriːɪɡˈnɪʃən) /


noun
  1. ignition of all or part of the explosive charge in an internal-combustion engine before the exact instant necessary for correct operation

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