rotochuten.

Brit.

/ˈrəʊtə(ʊ)ʃuːt/, U.S.

/ˈroʊdoʊˌʃut/

Origin: Apparently formed within English, by compounding. Etymons: roto- comb. form, parachute n.

Etymology: Apparently < roto- comb. form + -chute (in parachute n.; compare chute n.²), although in sense 1 the semantic motivation is unclear.

1. An aircraft resembling a gyrocopter or autogiro, but engineless. rare. Now disused.

ΚΠ

1946 Aviation News 11 Nov. 8/2 Combining features of a glider and an autogyro, a single-place Gyro-Glider has been built... A device of similar configuration displayed last year at Wright Field was a British Rotochute.

2. A mechanical device for slowing the speed of an object falling through the air or through water, consisting of a set of blades that rotate as a result of the downward motion; a buoy or other object fitted with such a device.

ΘΚΠ

society > travel > air or space travel > a means of conveyance through the air > parachute > [noun] > parachute device with rotating blades

rotochute1948

1948 Sci. News Let. 27 Nov. 339/3 The rotochute, with instruments enclosed, is carried to the upper atmosphere inside a rocket.

1949 Jrnl. Brit. Interplanetary Soc. 8 139 Expelled from A-4 rockets at altitudes up to 100 miles.., the rotochute attains supersonic velocity before atmospheric density builds up and the blades begin to revolve.

1997 N. Friedman Naval Inst. Guide World Naval Weapons Syst. 1997–8 648/2 Standard French sonobuoy... The buoy at the left shows the rotochute that slows its descent.

2004 J. Edwards Torpedo (2006) xvi. 110 Known in Undersea Warfare circles as a roto-chute, the fins cause the sonobuoy to spin like a helicopter, slowing the buoy's rate of fall and keeping its nose pointed down towards the water.

This entry has been updated (OED Third Edition, March 2011; most recently modified version published online March 2022).

单词	rotochute
释义	rotochuten. Brit. /ˈrəʊtə(ʊ)ʃuːt/, U.S. /ˈroʊdoʊˌʃut/ Origin: Apparently formed within English, by compounding. Etymons: roto- comb. form, parachute n. Etymology: Apparently < roto- comb. form + -chute (in parachute n.; compare chute n.²), although in sense 1 the semantic motivation is unclear. 1. An aircraft resembling a gyrocopter or autogiro, but engineless. rare. Now disused. ΚΠ 1946 Aviation News 11 Nov. 8/2 Combining features of a glider and an autogyro, a single-place Gyro-Glider has been built... A device of similar configuration displayed last year at Wright Field was a British Rotochute. 2. A mechanical device for slowing the speed of an object falling through the air or through water, consisting of a set of blades that rotate as a result of the downward motion; a buoy or other object fitted with such a device. ΘΚΠ society > travel > air or space travel > a means of conveyance through the air > parachute > [noun] > parachute device with rotating blades rotochute1948 1948 Sci. News Let. 27 Nov. 339/3 The rotochute, with instruments enclosed, is carried to the upper atmosphere inside a rocket. 1949 Jrnl. Brit. Interplanetary Soc. 8 139 Expelled from A-4 rockets at altitudes up to 100 miles.., the rotochute attains supersonic velocity before atmospheric density builds up and the blades begin to revolve. 1997 N. Friedman Naval Inst. Guide World Naval Weapons Syst. 1997–8 648/2 Standard French sonobuoy... The buoy at the left shows the rotochute that slows its descent. 2004 J. Edwards Torpedo (2006) xvi. 110 Known in Undersea Warfare circles as a roto-chute, the fins cause the sonobuoy to spin like a helicopter, slowing the buoy's rate of fall and keeping its nose pointed down towards the water. This entry has been updated (OED Third Edition, March 2011; most recently modified version published online March 2022). < n.1946
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