understeern.

Brit.

/ˈʌndəstɪə/, U.S.

/ˈəndərˌstɪ(ə)r/

Etymology: under- prefix¹ 5(b).

A tendency in a motor vehicle to take too wide a turn when made to deviate from the straight.

ΘΚΠ

society > travel > transport > transport or conveyance in a vehicle > movement of vehicles > [noun] > way in which vehicle handles > oversteering or understeering

oversteer1936

oversteering1936

understeer1936

understeering1936

1936 Proc. Inst. Automobile Engineers 30 759 This proportion of the total roll couple carried by the front and rear tyres is found to have a very marked effect on steering, and has to be proportioned by trial to avoid excessive effects in the direction either of ‘oversteer’ or ‘understeer’.

1957 S. Moss In Track of Speed xii. 149 I..watched Castellotte sorting out his Ferrari, the front wheels on full understeer with the inside one off the ground.

1964 Which? Apr. 36/2 The Bedford Romany had light steering and very little under~steer—it was hardly necessary to turn the steering wheel more when going faster round a bend.

1971 Daily Tel. 31 Mar. 11/5 A disadvantage of the bigger engine is the heavier steering and even more marked understeer, made worse by the steep roll angles in fast cornering.

1981 G. G. Hilditch Further Look at Buses i. 8/2 You make your approach run perhaps changing down..and then wind on a bit of lock. The bus doesn't notice thanks to a wonderful degree of understeer so you add a few more degrees..and the resulting oversteer runs away with you.

This entry has not yet been fully updated (first published 1986; most recently modified version published online March 2022).

understeerv.

Forms: see under- prefix¹ and steer v.¹

Origin: Formed within English, by derivation. Etymons: under- prefix¹, steer v.¹

Etymology: < under- prefix¹ + steer v.¹In sense 1 after classical Latin subrēmigāre to row gently. In sense 2 after understeer n.; compare oversteer v.

1. (underˈsteer.) [under- prefix¹ 2a(b)] To steer under something.

ΘΚΠ

society > travel > travel by water > directing or managing a ship > steering > steer [verb (transitive)] > under something

understeer1573

1573 T. Twyne tr. Virgil in T. Phaer & T. Twyne tr. Virgil Whole .xii. Bks. Æneidos x. E e j In sight she deare apeerd With left hand coutching waues, and smoth herself she vndersteerd [L. subremigat].

2. (Chiefly ˈundersteer.) [under- prefix¹ 5(a)] intransitive. To exhibit understeer.

ΘΚΠ

society > travel > transport > transport or conveyance in a vehicle > movement of vehicles > move or go along [verb (intransitive)] > oversteer or understeer

oversteer1936

understeer1936

1936 Proc. Inst. Automobile Engineers 30 730 If a car under-steers, more rudder is required at the higher speeds.

1948 R. Dean-Averns Automobile Chassis Design ii. 49 Under~steering vehicles,..when put into a turn, endeavour to straighten up and require constant increase of lock as the speed on the bend is increased.

1970 Motoring Which? Apr. 45/1 Both tended to understeer (run wide of the corners).

Derivatives

ˈundersteering n. and adj.

ΘΚΠ

society > travel > transport > transport or conveyance in a vehicle > movement of vehicles > [adjective] > oversteering or understeering

understeering1936

oversteering1948

society > travel > transport > transport or conveyance in a vehicle > movement of vehicles > [noun] > way in which vehicle handles > oversteering or understeering

oversteer1936

oversteering1936

understeer1936

understeering1936

1936 Proc. Inst. Automobile Engineers 30 730 The under-steering of the parallel front road springs is..due to the lack of cornering power.

1966 J. Miles in T. Wisdom High-Performance Driving v. 47 If the wheels are pointing exactly round the line of the circle some cars will actually travel in a wider circle. These are under-steering cars.

1972 Sci. Amer. Aug. 20/2 Of the three characteristics understeering is the most desirable.

This entry has not yet been fully updated (first published 1921; most recently modified version published online December 2021).

单词	understeer
释义	understeern. Brit. /ˈʌndəstɪə/, U.S. /ˈəndərˌstɪ(ə)r/ Etymology: under- prefix¹ 5(b). A tendency in a motor vehicle to take too wide a turn when made to deviate from the straight. ΘΚΠ society > travel > transport > transport or conveyance in a vehicle > movement of vehicles > [noun] > way in which vehicle handles > oversteering or understeering oversteer1936 oversteering1936 understeer1936 understeering1936 1936 Proc. Inst. Automobile Engineers 30 759 This proportion of the total roll couple carried by the front and rear tyres is found to have a very marked effect on steering, and has to be proportioned by trial to avoid excessive effects in the direction either of ‘oversteer’ or ‘understeer’. 1957 S. Moss In Track of Speed xii. 149 I..watched Castellotte sorting out his Ferrari, the front wheels on full understeer with the inside one off the ground. 1964 Which? Apr. 36/2 The Bedford Romany had light steering and very little under~steer—it was hardly necessary to turn the steering wheel more when going faster round a bend. 1971 Daily Tel. 31 Mar. 11/5 A disadvantage of the bigger engine is the heavier steering and even more marked understeer, made worse by the steep roll angles in fast cornering. 1981 G. G. Hilditch Further Look at Buses i. 8/2 You make your approach run perhaps changing down..and then wind on a bit of lock. The bus doesn't notice thanks to a wonderful degree of understeer so you add a few more degrees..and the resulting oversteer runs away with you. This entry has not yet been fully updated (first published 1986; most recently modified version published online March 2022). understeerv. Forms: see under- prefix¹ and steer v.¹ Origin: Formed within English, by derivation. Etymons: under- prefix¹, steer v.¹ Etymology: < under- prefix¹ + steer v.¹In sense 1 after classical Latin subrēmigāre to row gently. In sense 2 after understeer n.; compare oversteer v. 1. (underˈsteer.) [under- prefix¹ 2a(b)] To steer under something. ΘΚΠ society > travel > travel by water > directing or managing a ship > steering > steer [verb (transitive)] > under something understeer1573 1573 T. Twyne tr. Virgil in T. Phaer & T. Twyne tr. Virgil Whole .xii. Bks. Æneidos x. E e j In sight she deare apeerd With left hand coutching waues, and smoth herself she vndersteerd [L. subremigat]. 2. (Chiefly ˈundersteer.) [under- prefix¹ 5(a)] intransitive. To exhibit understeer. ΘΚΠ society > travel > transport > transport or conveyance in a vehicle > movement of vehicles > move or go along [verb (intransitive)] > oversteer or understeer oversteer1936 understeer1936 1936 Proc. Inst. Automobile Engineers 30 730 If a car under-steers, more rudder is required at the higher speeds. 1948 R. Dean-Averns Automobile Chassis Design ii. 49 Under~steering vehicles,..when put into a turn, endeavour to straighten up and require constant increase of lock as the speed on the bend is increased. 1970 Motoring Which? Apr. 45/1 Both tended to understeer (run wide of the corners). Derivatives ˈundersteering n. and adj. ΘΚΠ society > travel > transport > transport or conveyance in a vehicle > movement of vehicles > [adjective] > oversteering or understeering understeering1936 oversteering1948 society > travel > transport > transport or conveyance in a vehicle > movement of vehicles > [noun] > way in which vehicle handles > oversteering or understeering oversteer1936 oversteering1936 understeer1936 understeering1936 1936 Proc. Inst. Automobile Engineers 30 730 The under-steering of the parallel front road springs is..due to the lack of cornering power. 1966 J. Miles in T. Wisdom High-Performance Driving v. 47 If the wheels are pointing exactly round the line of the circle some cars will actually travel in a wider circle. These are under-steering cars. 1972 Sci. Amer. Aug. 20/2 Of the three characteristics understeering is the most desirable. This entry has not yet been fully updated (first published 1921; most recently modified version published online December 2021). < n.1936v.1573
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