BOMBARDMENT
bombing, bombardment
(noun) an attack by dropping bombs
bombardment
(noun) the act (or an instance) of subjecting a body or substance to the impact of high-energy particles (as electrons or alpha rays)
barrage, barrage fire, battery, bombardment, shelling
(noun) 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”
barrage, bombardment, outpouring, onslaught
(noun) the rapid and continuous delivery of linguistic communication (spoken or written); “a barrage of questions”; “a bombardment of mail complaining about his mistake”
Source: WordNet® 3.1
Etymology
Noun
bombardment (countable and uncountable, plural bombardments)
the act of bombing, especially towns or cities
heavy artillery fire
(physics) the incidence of an intense stream of high-energy particles directed at a substance
Source: Wiktionary
Bom*bard"ment, n. Etym: [F. bombardement.]
Definition: 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.
Source: Webster’s Unabridged Dictionary 1913 Edition