Meaning of the word ultrasonic in English

What does ultrasonic mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

ultrasonic

US /ˌʌl.trəˈsɑː.nɪk/
UK /ˌʌl.trəˈsɒn.ɪk/

Adjective

relating to or denoting sound waves with frequencies above the upper audible limit of human hearing

Example:
Bats navigate using ultrasonic waves.
The doctor used an ultrasonic device to examine the baby.