plough-inplow-inn.

Brit.

/ˈplaʊɪn/, U.S.

/ˈplaʊɪn/

Forms: 1900s– plough-in, 1900s– plow-in (chiefly U.S.).

Origin: Formed within English, by compounding. Etymons: plough v., in adv.

Etymology: < plough v. + in adv.

Nautical.

The uncontrolled downward pitching of a hovercraft, usually caused by part of the leading edge of the skirt touching the water when the craft is moving at speed, often resulting in a capsize; an instance of this.

ΘΚΠ

society > travel > travel by water > shipwreck > [noun] > capsize > causes of

knock-down1888

plough-in1965

1965 Times 25 Sept. 8/2 Westland say that structural modifications have trebled the safety margin against ‘plough-in’ and overturning at speeds up to 50 knots.

1968 G. H. Elsley & A. J. Devereux Hovercraft Design & Construction viii. 74 A plough-in occurs when the bowskirt contacts the water because the craft is operating at an excessive nose-down angle of trim.

2000 L. Yun & A. Bliault Theory & Design Air Cushion Craft vii. 234 Early skirts had a tendency to buckle beyond a certain deformation limit, causing plough-in or overturning due to sudden build-up of drag.

This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

单词	plough-in
释义	plough-inplow-inn. Brit. /ˈplaʊɪn/, U.S. /ˈplaʊɪn/ Forms: 1900s– plough-in, 1900s– plow-in (chiefly U.S.). Origin: Formed within English, by compounding. Etymons: plough v., in adv. Etymology: < plough v. + in adv. Nautical. The uncontrolled downward pitching of a hovercraft, usually caused by part of the leading edge of the skirt touching the water when the craft is moving at speed, often resulting in a capsize; an instance of this. ΘΚΠ society > travel > travel by water > shipwreck > [noun] > capsize > causes of knock-down1888 plough-in1965 1965 Times 25 Sept. 8/2 Westland say that structural modifications have trebled the safety margin against ‘plough-in’ and overturning at speeds up to 50 knots. 1968 G. H. Elsley & A. J. Devereux Hovercraft Design & Construction viii. 74 A plough-in occurs when the bowskirt contacts the water because the craft is operating at an excessive nose-down angle of trim. 2000 L. Yun & A. Bliault Theory & Design Air Cushion Craft vii. 234 Early skirts had a tendency to buckle beyond a certain deformation limit, causing plough-in or overturning due to sudden build-up of drag. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < n.1965
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