four-stroke
noun1
A four-stroke engine.
2
A vehicle or machine powered by a four-stroke engine.
four-stroke
adj1
Of or relating to a design of internal combustion engine in which the pistons perform four strokes per engine cycle: intake, compression, power, exhaust.
- This motorbike has a four-stroke engine.
- This is a 16-cylinder unit with the cylinders arranged in vee formation, operating on the four-stroke cycle and pressure-charged by four Napier exhaust gas-driven turbo-chargers.1958 June 23, “Main-Line Diesel-Electric Locomotives for the Eastern Region”, in Railway Magazine, page 393:
- Derived terms
- four-stroke engine
- Related terms
- two-stroke