Definition of Four-stroke engine

1. Noun. 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.

Exact synonyms: Four-stroke Internal-combustion Engine
Generic synonyms: Ice, Internal-combustion Engine

Definition of Four-stroke engine

1. Noun. An engine in which the pistons perform four strokes per engine cycle (i.e. intake, compression, power, exhaust). ¹

¹ Source: wiktionary.com

Lexicographical Neighbors of Four-stroke Engine

four-penny nail
four-ply
four-point Calvinist
four-point Calvinists
four-poster
four-posters
four-pounder
four-seam fastball
four-seamer
four-seamers
four-sided
four-spot
four-square
four-strand crossing over
four-stroke engine
four-stroke engines
four-stroke internal-combustion engine
four-stroking
four-tailed bandage
four-vector
four-vectors
four-velocity
four-wheel
four-wheel drive
four-wheeled
four-wheeler
four-wheelers
four-wing flying fish

Literary usage of Four-stroke engine

Below you will find example usage of this term as found in modern and/or classical literature:

1. Transactions of the American Society of Mechanical Engineers by American Society of Mechanical Engineers (1920)
"While the thermal efficiency of a well-designed two-stroke engine is not quite as high as that of a four-stroke engine, the difference is not large. ..."

2. Diesel Engine Design by Herbert Frank Percy Purday (1919)
"Resultant twisting moment curve for two cylinder, four stroke engine 102 52. ... A " type of framework for four stroke engine . . . .119 74. ..."

3. The Gasoline Automobile by George William Hobbs (1915)
"EXHAUST Since the piston of a four-stroke engine receives an impulse or explosion only once in two revolutions, considerable effort has been expended in ..."

4. Valves and Valve Gears by Franklin De Ronde Furman (1915)
"In the four-stroke engine the piston makes four complete strokes while the engine passes through one heat cycle, as may be seen by examining Fig. 313. ..."

5. The Theory of Heat Engines by William Inchley (1922)
"In a four-stroke engine special reversing gear is necessary for the inlet and exhaust valves. In addition to these advantages the two stroke engine has a ..."

6. Gas Engines for the Farm by Clarence Floyd Hirshfeld, Tomlinson Carlile Ulbricht (1913)
"IN general, the two-stroke engine is cheaper and mechanically simpler than the four-stroke engine because of the following: (1) A given power can be ..."

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