four-stroke engine

Noun four-stroke engine has 1 sense

• four-stroke engine(n = noun.artifact) four-stroke internal-combustion engine - 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; Array
is a kind of ice, internal-combustion engine