What does 超音波 mean?
超音波 is a Japanese noun meaning “ultrasonic wave” in English. It is written as 超音波 in kanji, ちょうおんぱ in hiragana, and chouonpa in romaji. This word is part of JLPT N3 vocabulary.
Example sentence
超音波検査をしましょう。
I'd like you to have an ultrasound.