noun🔗ShareSound with a frequency greater than the upper limit of human hearing, which is approximately 20 kilohertz."The doctor used ultrasound to see the baby inside the mother's womb. "medicinetechnologyphysicssoundfrequencydevicescienceChat with AIVocabulary GamePractice Reading
noun🔗ShareThe use of ultrasonic waves for diagnostic or therapeutic purposes."The doctor used ultrasound to see the baby growing in my sister's belly. "medicinetechnologysounddevicesciencephysiologyChat with AIVocabulary GamePractice Reading
verb🔗ShareTo treat with ultrasound."The doctor used ultrasound to examine the baby's developing heart. "medicinetechnologyChat with AIVocabulary GamePractice Reading