sonic boom
IDIOM
ˌsonic ˈboom noun [countable]
ترکش آوا، دیوار صوتی، صدای برخورد هوا با جلو هواپیمای دارای سرعت مافوق صوت، انفجار صوتی، زیست شناسی: غرش صدا، نظامی: شکستن دیوار صوتی
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English Dictionaryˌsonic ˈboom noun [countable] the loud sound like an explosion that an aircraft makes when it starts to travel faster than the speed of sound
[TahlilGaran] Dictionary of Contemporary English ▲
Idiomssonic boom n. A loud noise and vibration in the air, made when a jet plane passes the speed of sound (1087 feet per second).
Fast jet planes sometimes cause a sonic boom, which can break windows and crack the plaster in houses below them. We thought there was an explosion or earthquake, but it was only a sonic boom that shook the house. [TahlilGaran] English Idioms Dictionary ▲