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Definition of Blow-by
1. Noun. (automotive) in an internal combustion engine, any burnt or unburnt matter escaping from the cylinder, past the (worn) rings on the piston, and into the crankcase. ¹
¹ Source: wiktionary.com
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1. Noun. (automotive) in an internal combustion engine, any burnt or unburnt matter escaping from the cylinder, past the (worn) rings on the piston, and into the crankcase. ¹
¹ Source: wiktionary.com