释义 |
con·cus·sion \kənˈkəshən\ noun (-s) Etymology: Middle French or Latin; Middle French, from Latin concussion-, concussio, from concussus (past participle of concutere to shake violently, from com- + -cutere, from quatere to shake) + -ion-, -io -ion — more at quash 1. a. : jolting, shaking, agitating b. : a smart or hard knock, blow, or collision; also : the shock of such a blow : a stunning, damaging, or shattering effect from such a blow < wood, which responds to concussion with living vibration — Willa Cather > < it is the constant concussion of the cream in the churn which causes the butterfat to gather — Westralian Farmers Co-op, Gazette > 2. civil law, obsolete : a forcing by threats 3. : a jarring injury of the brain resulting in disturbance of cerebral function and sometimes marked by permanent damage; also : the condition of having been so injured 4. : an inflammatory condition of the feet of horses caused by repeated violent contacts with hard roads Synonyms: see impact |