bombardment
noun
1. an attack by dropping bombs
Synonym: bombing
2. the act (or an instance) of subjecting a body or substance to the impact of high-energy particles (as electrons or alpha rays)
3. the heavy fire of artillery to saturate an area rather than hit a specific target
e.g. they laid down a barrage in front of the advancing troops
the shelling went on for hours without pausing
Synonym: barragebarrage firebatteryshelling
4. the rapid and continuous delivery of linguistic communication (spoken or written)
e.g. a barrage of questions
a bombardment of mail complaining about his mistake
Synonym: barrageoutpouringonslaught