bombardment

noun

1. 1

   an attack by dropping bombs

2. 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. 3

   the heavy fire of artillery to saturate an area rather than hit a specific target

   they laid down a barrage in front of the advancing troops

   the shelling went on for hours without pausing

4. 4

   the rapid and continuous delivery of linguistic communication (spoken or written)

   a barrage of questions

   a bombardment of mail complaining about his mistake