concussive


con·cus·sion

C0551700 (kən-kŭsh′ən)n.1. A violent jarring; a shock: The concussion from the explosion broke windows three blocks away.2. An injury to an organ, especially the brain, produced by a violent blow and followed by a temporary or prolonged loss of function.
[Middle English concussioun, bruise, contusion, from Latin concussiō, concussiōn-, concussion, from concussus, past participle of concutere, to strike together; see concuss.]
con·cus′sive (-kŭs′ĭv) adj.con·cus′sive·ly adv.