internal combustion engine

Fetched 2026-10-26 (cache).

Synonyms: internal-combustion engine, external combustion engine, internal combustion engines

Antonyms: internal-combustion engine, external combustion engine, internal combustion engines

Related words from Datamuse; suggestions, not definitions.

Noun

1. A [[piston]] or a [[rotary]] heat engine directly powered by the products of intermittent combustion of a fuel.
2. A [[heat engine]] in which intermittent or the continuous [[burning]] of a [[fuel]] takes place [[inside]] a [[combustion chamber]]; the resulting [[pressurize]]d [[gas]] acts directly on the engine to do useful work, such as a [[piston engine]], [[gas turbine]], [[jet engine]] or [[rocket]].<ref>[https://www.britannica.com/technology/internal-combustion-engine]</ref>

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.