engine knock
A rattling, pinging, or tapping sound caused by improper combustion, where the…A rattling, pinging, or tapping sound caused by improper combustion, where the air-fuel mixture ignites spontaneously in the cylinders before the spark plug fires, or in multiple spots simultaneously
» Lead compounds were added to gasoline to prevent engine knock.
Meaning
1 senses(uncountable)A rattling, pinging, or tapping sound caused by improper combustion, where the air-fuel mixture ignites spontaneously in the cylinders before the spark plug fires, or in multiple spots simultaneously
Examples
1 sentencesLead compounds were added to gasoline to prevent engine knock.
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable