| Answer | Crossword Clue |
|---|---|
| AUDIO | Of sound waves in hearing range. |
| ultrasonic | Of or involving sound waves with a frequency above the upper limit of human hearing |
| audiograph | a machine used to test a patient's hearing by transmitting sound waves directly to the inner ear |
| audiographs | AUDIOGRAPH, a machine used to test a patient's hearing by transmitting sound waves directly to the inner ear |
| ultrasound | vibrations of the same physical nature as sound but with frequencies above the range of human hearing |
| ultrasounds | ULTRASOUND, vibrations of the same physical nature as sound but with frequencies above the range of human hearing |
