Assertion: ultrasound | /r/HasProperty | inaudible
Facets:
value: to most humans
type: OTHER
value: completely
type: DEGREE
Source sentences:
text: The ultrasound, which contains frequencies far outside the range of human hearing, is completely inaudible.
text: Ultrasounds are high frequency sound waves used by a wide range of devices, and are thought to be inaudible to most humans.