shock absorber

noun
🔊/ˈʃɒk əbzɔːbə(r)/
🔊/ˈʃɑːk əbzɔːrbər/
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  1. a device that is fitted to each wheel of a vehicle in order to reduce the effects of travelling over rough ground, so that passengers can be more comfortable减振器Topics Transport by car or lorryc2