Reference meaning
blow-by
Last updated
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.
Source and scope
This definition is reproduced from English Wiktionary, sense en-blow-by-en-noun-1Tk2bT~X, under the CC BY-SA 4.0. It has not yet received VocabularyBase editorial review. Read the source and license details.