- ignition of all or part of the explosive charge in an internal-combustion engine before the exact instant necessary for correct operation
| 单词 | preignition |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 pre•ig•ni•tion (prē′ig nish′ən),USA pronunciation n.
Collins Concise English Dictionary © HarperCollins Publishers:: pre-ignition /ˌpriːɪɡˈnɪʃən/ n
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