English dictionary
four-stroke internal-combustion engine
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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an internal-combustion engine in which an explosive mixture is drawn into the cylinder on the first stroke and is compressed and ignited on the second stroke; work is done on the third stroke and the products of combustion are exhausted on the fourth stroke
Synonyms four-stroke engineSource: WordNet 3.0