thunderous roar; roaring sound
Describes an overwhelmingly loud, deep, rumbling sound, such as an explosion, jet engine, or crashing waterfall.
ジェット機の轟音が空港中に響き渡った。
The thunderous roar of the jet echoed throughout the airport.
滝の轟音で会話が聞こえなかった。
We couldn't hear each other over the roaring sound of the waterfall.
Standard kanji spelling for 'thunderous roar'.
Mixed kanji-kana spelling; 轟 is a relatively complex kanji, so this form is sometimes used for readability.
Compound of 轟 (ごう, 'thunderous', 'roaring') and 音 (おん, 'sound'). The kanji 轟 is composed of three 車 (car) radicals, symbolizing the rumbling of many wheels.