sonic boom 
noun
A loud explosive noise caused by the shock wave from an aircraft or other object travelling faster than the speed of sound.Those gray bushytails would hunker down at the sound of the sonic boom and not be seen for interminable periods of time....
- Four thunderous sonic booms shook the island about three minutes later.
- There's also a supersonic jet with a hushed sonic boom for flying over populated areas.
- risaladar
- risaldar
- RISC
- ris de veau
- rise
- rise-and-fall
- rise and shine
- rise-fall
- rise heading
- rise like a phoenix from the ashes
- rise like a rocket (and fall like a stick)
- rise (or emerge) from the ashes
- riser
- riser diagram
- riser pipe
- riserva
- rise through (or from) the ranks
- rise time
- rise to the bait
- rise to the occasion
- rise with the sun (or lark)
- rishi
- rishon
- going-about
- going-away