English noun: four-stroke internal-combustion engine | |||
1. | four-stroke internal-combustion engine (artifact) 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 engine | ||
Broader (hypernym) | ICE, internal-combustion engine | ||