[noun] the act (or an instance) of subjecting a body or substance to the impact of high-energy particles (as electrons or alpha rays)
[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" Synonyms:barrage, barrage fire, battery, shelling
[noun] an attack by dropping bombs Synonyms:bombing
