極超音速 ごくちょうおんそく Also written きょくちょうおんそく Meanings Noun hypersonic speed Kanji 極 extreme. Read as ゴク. 超 exceed. Read as チョウ. 音 sound. Read as オン. 速 speed. Read as ソク. Words containing 極超音速 極超音速滑空兵器 (ごくちょうおんそくかっくうへいき) hypersonic glide vehicle Jinuma: Japanese Dictionary · Word lists