WordReference Random House Unabridged Dictionary of American English © 2026
combus′tion en′gine,
- Mechanical Engineeringany of various types of engines driven by energy produced by combustion.
'combustion engine' also found in these entries (note: many are not synonyms or translations):
Benz
- Daimler
- I-head engine
- L-head engine
- Otto cycle
- advance
- after-run
- afterburner
- air cleaner
- air injection
- antifreeze
- antiknock
- aspirate
- autoignition
- automobile
- backfire
- balance shaft
- big end
- blower
- bombardier
- boost
- breather
- camshaft
- car
- carburation
- carburetion
- carburetor
- choke
- combustion chamber
- connecting rod
- cough
- crank
- crankcase
- crankshaft
- cutout
- cylinder
- cylinder block
- decarbonize
- detonation
- diesel engine
- distribution
- electronic ignition
- explosion
- fin
- fire
- four-cycle
- four-stroke
- fuel injection
- gas engine
- gas turbine