Bombardment

An attack upon a fortress or fortified town, with shells, hot shot, rockets, etc.; the act of throwing bombs and shot into a town or fortified place.

the rapid and continuous delivery of linguistic communication (spoken or written); "a barrage of questions"; "a bombardment of mail complaining about his mistake"

the act (or an instance) of subjecting a body or substance to the impact of high-energy particles (as electrons or alpha rays)