Oxford Dictionary English sonic boom nounnoun BrE BrE//ˌsɒnɪk ˈbuːm// ; NAmE NAmE//ˌsɑːnɪk ˈbuːm// Plane travel Add to my wordlistjump to other resultsthe explosive sound that is made when an aircraft travels faster than the speed of sound See related entries: Plane travelSee sonic boom in the Oxford Advanced American DictionaryCheck pronunciation: sonic boom oxfordlearnersdictionaries.com
