anti-sway bar
- noun
- /ˈæn.tiˌsweɪ bɑr/
- Specialized
- For better stability, many racing cars are equipped with an anti-sway bar to enhance performance on the track.
Examples
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The mechanic installed an anti-sway bar to improve the vehicle's handling during sharp turns.
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Using an anti-sway bar can significantly reduce the level of body roll in a car when taking corners.
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The Avalon's suspension has also been beefed up with thicker anti-sway bars and stiffer springs for greater ride control.
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Synonyms
A strong metal bar inside a vehicle that protects people if it flips over
A metal rod under a car that stops it from leaning in turns
A device added to a vehicle, like a bar, to reduce side-to-side rolling
How Stabilizing
Surface Forms
Morphology
anti-sway + bar
The compound is built from familiar pieces: 'anti-' (against) + 'sway' (to move side-to-side) + 'bar' (a rigid rod), so the meaning 'a rod that counteracts sway' is directly derivable from the constituents. Although it's technical automotive vocabulary, the morphemes and construction are transparent and cross-linguistically regular (cf. 'anti-roll bar'), so a B1 learner who knows the parts would likely understand it.
Etymology
Anti-sway bar gets its name from its parts: anti meaning 'against', sway meaning 'side-to-side movement', and bar meaning a metal rod. Imagine a metal rod that connects a car's wheels and stops it from leaning in turns, so the name means 'a rod that keeps the car steady'.