four-cycle

American  

[fawr-sahy-kuhl, fohr-] / ˈfɔrˌsaɪ kəl, ˈfoʊr- /

adjective

1. noting or pertaining to an internal-combustion engine in which a complete cycle in each cylinder requires four strokes, one to draw in air or an air-fuel mixture, one to compress it, one to ignite it and do work, and one to scavenge the cylinder.

---

four-cycle British  

adjective

1. Equivalent term (in Britain and certain other countries): four-stroke. relating to or designating an internal-combustion engine in which the piston makes four strokes for every explosion Compare two-stroke

---

Etymology

Origin of four-cycle

First recorded in 1905–10

---

Example Sentences

See Examples For:

four-cycle

The Model A is of the water-cooled four-cycle Vee type, with eight cylinders, 4.7245 inch bore by 5.1182 inch stroke, piston displacement 718 cubic inches.

From Aviation Engines Design?Construction?Operation and Repair by Victor Wilfred Pag?

The action of the four-cycle type may be easily understood if one refers to illustrations at Figs.

From Aviation Engines Design?Construction?Operation and Repair by Victor Wilfred Pag?

At the top is shown the torque diagram of a single-cylinder motor of the four-cycle type.

From Aviation Engines Design?Construction?Operation and Repair by Victor Wilfred Pag?

The two-cycle engine is simpler in construction than the four-cycle, having no valves.

From The Story of Great Inventions by Elmer Ellsworth Burns

Thermodynamically, the methods of the two types are equal as far as combustion is concerned, and compression may favor in a small degree the four-cycle type as well as the purity of the charge.

From Aviation Engines Design?Construction?Operation and Repair by Victor Wilfred Pag?

Random Word

Spin the wheel and learn a new word!

---