two-strokeadj.n.

Etymology: stroke n.¹ 12c.Previous versions of the OED give the stress as: ˈtwo-stroke.

Working mechanically by means of a succession of reciprocal movements, in and out or up and down; applied esp. to (vehicles having) internal-combustion engines in which the power cycle is completed in one upward and one downward stroke of a piston. Also as n., a two-stroke engine or vehicle.

ΘΚΠ

society > occupation and work > equipment > machine > machines which impart power > engine > internal-combustion engine > [adjective] > cycle

two-stroke1855

four-stroke1900

two-cycle1903

society > occupation and work > equipment > machine > machines which impart power > engine > internal-combustion engine > [noun] > engine employing specific cycle

Otto engine1878

Otto1886

two-stroke1963

1855 A. Bain Senses & Intellect Introd. ii. 55 The two-stroke movement of the lungs.

1900 Engin. Mag. 19 788/1 Two-Stroke Oil Engines.

1902 P. N. Hansluck Automobile vi. 113 Motors of the four-stroke cycle consume less fuel than motors of the two-stroke cycle.

1936 Economist 2 May 234/1 In a two-stroke engine, each cylinder gives an impulse at every revolution of the crankshaft.

1963 L. Deighton Horse under Water xiv. 59 Fernie propped his two-stroke against the baker's shop.

1972 J. McClure Caterpillar Cop ii. 19 The lights pulsed to the quick beat of the two-stroke.

1975 D. Malouf Johnno x. 109 All one scorching summer I blazed from suburb to suburb on a Fanny Barnet two~stroke.

1982 Sunday Tel. 1 Aug. 6/1 It [sc. a free-wheel device] was..also used by Saab, mainly on its two-stroke models.

This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2019).

单词	two-stroke
释义	two-strokeadj.n. Etymology: stroke n.¹ 12c.Previous versions of the OED give the stress as: ˈtwo-stroke. Working mechanically by means of a succession of reciprocal movements, in and out or up and down; applied esp. to (vehicles having) internal-combustion engines in which the power cycle is completed in one upward and one downward stroke of a piston. Also as n., a two-stroke engine or vehicle. ΘΚΠ society > occupation and work > equipment > machine > machines which impart power > engine > internal-combustion engine > [adjective] > cycle two-stroke1855 four-stroke1900 two-cycle1903 society > occupation and work > equipment > machine > machines which impart power > engine > internal-combustion engine > [noun] > engine employing specific cycle Otto engine1878 Otto1886 two-stroke1963 1855 A. Bain Senses & Intellect Introd. ii. 55 The two-stroke movement of the lungs. 1900 Engin. Mag. 19 788/1 Two-Stroke Oil Engines. 1902 P. N. Hansluck Automobile vi. 113 Motors of the four-stroke cycle consume less fuel than motors of the two-stroke cycle. 1936 Economist 2 May 234/1 In a two-stroke engine, each cylinder gives an impulse at every revolution of the crankshaft. 1963 L. Deighton Horse under Water xiv. 59 Fernie propped his two-stroke against the baker's shop. 1972 J. McClure Caterpillar Cop ii. 19 The lights pulsed to the quick beat of the two-stroke. 1975 D. Malouf Johnno x. 109 All one scorching summer I blazed from suburb to suburb on a Fanny Barnet two~stroke. 1982 Sunday Tel. 1 Aug. 6/1 It [sc. a free-wheel device] was..also used by Saab, mainly on its two-stroke models. This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2019). < adj.n.1855
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