초음파 (choeumpa) means “ultrasound”

More examples

임신 초기에는 초음파 촬영을 자주 해요.im sin cho gi e neun cho eum pa chwa ryeong eul cha ju hae yo

During early pregnancy, ultrasound scans are often performed.

A sound wave with a frequency too high for human ears to detect.

초음파 검사choeumpa keomsa: A medical examination that uses sound waves to view organs or a developing baby inside the body.

사람이 들을 수 없는 높은 주파수의 음파.sa ra mi teu reul ssu eom neun no peun chu pa su ui eum pa

The Sino-Korean term combines roots meaning beyond and sound wave, describing a wave beyond the range of human hearing.

The hospital context may make ultrasound seem like the name of a scan, but this word first names the high-frequency sound used in it.