jackknifingn.

Brit.

/ˈdʒaknʌɪfɪŋ/, U.S.

/ˈdʒækˌnaɪfɪŋ/

Forms: see jackknife v. and -ing suffix¹.

Origin: Formed within English, by derivation. Etymons: jackknife v., -ing suffix¹.

Etymology: < jackknife v. + -ing suffix¹.

1. Originally: †an instance of an animal pulling a cart, sled, etc., turning suddenly so as to be travelling in a direction that is sharply different to that of the vehicle being pulled (obsolete). Subsequently: the action or fact of a moving articulated lorry, train, etc., or a towed wagon or trailer jackknifing (see jackknife v. 3a); cf. jackknife n. 3.

ΚΠ

1895 Vermont Watchman 27 Feb. 4/7 It is almost impossible to drive from Woodbury Center to Hardwick..without a ‘tip-over’ or ‘jack-knifing’.

1937 Western Constr. News Jan. 42/2 It has large dual wheels on the rear and singles in front, and is also equipped with hydraulic brakes to prevent jack-knifing when going over excessive slopes.

1952 Trains & Trav. Feb. 12/2 Due to the nature of connection between cars, telescoping and jackknifing would not occur.

1968 New Scientist 14 Mar. 573/3 Jack-knifing accidents to articulated vehicles are all too common.

2017 Washington Post (Nexis) 15 Jan. a3 Interstate 40 was closed in two places in western portions of the state because of wrecks, including the jackknifing of several tractor-trailers in icy conditions in Caddo County.

2. Bending of (a part of) the body, esp. suddenly or sharply, in a manner reminiscent of a jackknife opening or closing; movement into a bent or doubled-up position.In quot. 2014 with specific reference to the adoption of a doubled-up position by bending at the waist while keeping the legs straight and feet pointed as an element of a dive, jump, etc.; cf. jackknife v. 2b(b).

ΚΠ

1897 H. Porter Campaigning with Grant ix. 140 One of their amusements in camp..was to throw stones and chips past one another's heads, and raise a laugh at the active dodging and bending the body low, or ‘jackknifing’, as the men called it.

1939 Sci. News Let. 4 Nov. 292/1 The present safety belts keep the pilot's body in the seat but terrific ‘jackknifing’ occurs.

1971 Rand Daily Mail (Johannesburg) 27 Mar. 8/2 This was particularly so in the case of drivers, where jackknifing of the upper torso onto the steering wheel rim could lead to serious injuries.

2014 Irish Times (Nexis) 23 June 14 Cannonballing, jackknifing, somersaults, jumping off high bridges and buildings into water, is completely dangerous but strangely compelling.

This entry has been updated (OED Third Edition, March 2018; most recently modified version published online March 2022).

jackknifingadj.

Brit.

/ˈdʒaknʌɪfɪŋ/, U.S.

/ˈdʒækˌnaɪfɪŋ/

Forms: see jackknife v. and -ing suffix².

Origin: Formed within English, by derivation. Etymons: jackknife v., -ing suffix².

Etymology: < jackknife v. + -ing suffix².

1. Of a moving articulated lorry, train, etc.: folding in on itself at one of the couplings; (of a towed wagon, trailer, etc.) swinging sharply to one side so as to form an acute angle with the towing vehicle; see jackknife v. 3a.

ΚΠ

1942 Pittsburgh Post-Gaz. 5 Jan. 11/6 (caption) They made room and set up chow for..eight soldiers from Fort Eustis, Va., whose furlough journey to their homes in Canton, O., skidded to a halt in a collision with a jack-knifing trailer-truck.

1959 Amer. Law Rep. Annotated 68 357/1 In a few cases in which a jackknifing vehicle collided with a vehicle approaching from the opposite direction, the matter of instructions to the jury was involved.

?1972 Proc. Conf. Track/Train Dynamics Interaction 1971 (Assoc. Amer. Railroads) II. 728 No brake action was incorporated in the program, nor was any resisting torque included between the couplers of jackknifing cars.

1990 Independent (Nexis) 14 Dec. (Editorial section) 18 Roads were opened, only to be blocked by jackknifing lorries that had no business to be moving.

2010 ‘C. Noble’ Deadly Seduction 251 Speeding up, Max cut sharply to the right, darting around the jackknifing trailer.

2. Of a person or (a part of) the body, etc.: that is bending, esp. suddenly or sharply, in a manner reminiscent of a jackknife opening or closing; that is moving into a bent or doubled-up position.In quot. 1986 with specific reference to the adoption of a doubled-up position by bending at the waist while keeping the legs straight and feet pointed as an element of a dive, jump, etc.; cf. jackknife v. 2b(b).

ΚΠ

1962 W. H. Brehaut in SAE Techn. Paper Series 517B 4/2 Caused by the jackknifing body and collapse of the ductile seat structure.

1978 M. T. Hinkemeyer Creator xii. 222 His jackknifing legs caught her arm, and he twisted brutally, throwing himself sideways.

1986 Sydney Morning Herald (Nexis) 15 Nov. (Late ed.) 50 The black silhouette of a jack-knifing diver.

2011 P. Wilcock Hardest Thing to Do 143 The writhing, jackknifing body of the monk suspended from the crossbeam by a rope around his neck.

This entry has been updated (OED Third Edition, March 2018; most recently modified version published online March 2022).

单词	jackknifing
释义	jackknifingn. Brit. /ˈdʒaknʌɪfɪŋ/, U.S. /ˈdʒækˌnaɪfɪŋ/ Forms: see jackknife v. and -ing suffix¹. Origin: Formed within English, by derivation. Etymons: jackknife v., -ing suffix¹. Etymology: < jackknife v. + -ing suffix¹. 1. Originally: †an instance of an animal pulling a cart, sled, etc., turning suddenly so as to be travelling in a direction that is sharply different to that of the vehicle being pulled (obsolete). Subsequently: the action or fact of a moving articulated lorry, train, etc., or a towed wagon or trailer jackknifing (see jackknife v. 3a); cf. jackknife n. 3. ΚΠ 1895 Vermont Watchman 27 Feb. 4/7 It is almost impossible to drive from Woodbury Center to Hardwick..without a ‘tip-over’ or ‘jack-knifing’. 1937 Western Constr. News Jan. 42/2 It has large dual wheels on the rear and singles in front, and is also equipped with hydraulic brakes to prevent jack-knifing when going over excessive slopes. 1952 Trains & Trav. Feb. 12/2 Due to the nature of connection between cars, telescoping and jackknifing would not occur. 1968 New Scientist 14 Mar. 573/3 Jack-knifing accidents to articulated vehicles are all too common. 2017 Washington Post (Nexis) 15 Jan. a3 Interstate 40 was closed in two places in western portions of the state because of wrecks, including the jackknifing of several tractor-trailers in icy conditions in Caddo County. 2. Bending of (a part of) the body, esp. suddenly or sharply, in a manner reminiscent of a jackknife opening or closing; movement into a bent or doubled-up position.In quot. 2014 with specific reference to the adoption of a doubled-up position by bending at the waist while keeping the legs straight and feet pointed as an element of a dive, jump, etc.; cf. jackknife v. 2b(b). ΚΠ 1897 H. Porter Campaigning with Grant ix. 140 One of their amusements in camp..was to throw stones and chips past one another's heads, and raise a laugh at the active dodging and bending the body low, or ‘jackknifing’, as the men called it. 1939 Sci. News Let. 4 Nov. 292/1 The present safety belts keep the pilot's body in the seat but terrific ‘jackknifing’ occurs. 1971 Rand Daily Mail (Johannesburg) 27 Mar. 8/2 This was particularly so in the case of drivers, where jackknifing of the upper torso onto the steering wheel rim could lead to serious injuries. 2014 Irish Times (Nexis) 23 June 14 Cannonballing, jackknifing, somersaults, jumping off high bridges and buildings into water, is completely dangerous but strangely compelling. This entry has been updated (OED Third Edition, March 2018; most recently modified version published online March 2022). jackknifingadj. Brit. /ˈdʒaknʌɪfɪŋ/, U.S. /ˈdʒækˌnaɪfɪŋ/ Forms: see jackknife v. and -ing suffix². Origin: Formed within English, by derivation. Etymons: jackknife v., -ing suffix². Etymology: < jackknife v. + -ing suffix². 1. Of a moving articulated lorry, train, etc.: folding in on itself at one of the couplings; (of a towed wagon, trailer, etc.) swinging sharply to one side so as to form an acute angle with the towing vehicle; see jackknife v. 3a. ΚΠ 1942 Pittsburgh Post-Gaz. 5 Jan. 11/6 (caption) They made room and set up chow for..eight soldiers from Fort Eustis, Va., whose furlough journey to their homes in Canton, O., skidded to a halt in a collision with a jack-knifing trailer-truck. 1959 Amer. Law Rep. Annotated 68 357/1 In a few cases in which a jackknifing vehicle collided with a vehicle approaching from the opposite direction, the matter of instructions to the jury was involved. ?1972 Proc. Conf. Track/Train Dynamics Interaction 1971 (Assoc. Amer. Railroads) II. 728 No brake action was incorporated in the program, nor was any resisting torque included between the couplers of jackknifing cars. 1990 Independent (Nexis) 14 Dec. (Editorial section) 18 Roads were opened, only to be blocked by jackknifing lorries that had no business to be moving. 2010 ‘C. Noble’ Deadly Seduction 251 Speeding up, Max cut sharply to the right, darting around the jackknifing trailer. 2. Of a person or (a part of) the body, etc.: that is bending, esp. suddenly or sharply, in a manner reminiscent of a jackknife opening or closing; that is moving into a bent or doubled-up position.In quot. 1986 with specific reference to the adoption of a doubled-up position by bending at the waist while keeping the legs straight and feet pointed as an element of a dive, jump, etc.; cf. jackknife v. 2b(b). ΚΠ 1962 W. H. Brehaut in SAE Techn. Paper Series 517B 4/2 Caused by the jackknifing body and collapse of the ductile seat structure. 1978 M. T. Hinkemeyer Creator xii. 222 His jackknifing legs caught her arm, and he twisted brutally, throwing himself sideways. 1986 Sydney Morning Herald (Nexis) 15 Nov. (Late ed.) 50 The black silhouette of a jack-knifing diver. 2011 P. Wilcock Hardest Thing to Do 143 The writhing, jackknifing body of the monk suspended from the crossbeam by a rope around his neck. This entry has been updated (OED Third Edition, March 2018; most recently modified version published online March 2022). < n.1895adj.1942
随便看	all etc together all eyes all eyes are on all eyes are upon all eyes on all eyes upon all fives all flesh all flesh is grass all fluking all fools day all for all for naught all for nothing all for nought all for one and one for all all for one and one for all for one all for one and one for one for all all found all fours all fowls in feather all geese are swans all girls together all go to all all good things must come to an end