Ma'anar ƙamus na "shock absorber" wata na'ura ce da aka ƙera don rage tasiri ko firgita na motsi kwatsam, ƙyalli, ko girgiza. An fi amfani da shi a cikin motoci kamar motoci da manyan motoci don rage tasirin ƙugiya da ƙaƙƙarfan ƙasa akan tsarin dakatarwa, da kuma inganta jin daɗi da amincin fasinjoji. Abun girgiza yana aiki ta hanyar mayar da kuzarin motsin motsi zuwa zafi ko wasu nau'ikan makamashi wanda tsarin zai iya rushewa ko sha.