internal combustion engine
CEFR: B2
A heat engine where chemical fuel combustion takes place inside a chamber to drive moving mechanical pistons.
Synonyms
- piston hydrocarbon motor
- ICE vehicle powertrain
Common Collocations
- advent of the internal combustion engine
- phase out the internal combustion engine
Example Sentence
The dominance of the internal combustion engine is rapidly receding as electric battery powertrains reach price parity.