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hot-bulb engine

[ hot-buhlb ]
/ ˈhɒtˈbʌlb /
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noun
a low-compression oil engine requiring a heated bulb or cap for ignition.
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Origin of hot-bulb engine

First recorded in 1910–15
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

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