Sound
Mechanical vibrations transmitted by an elastic medium; "falling trees make a sound in the forest even when no one is there to hear them".
This concept's ID is @1~57917
Contains
- ultrasound
Very high frequency sound; used in ultrasonography.
Mechanical vibrations transmitted by an elastic medium; "falling trees make a sound in the forest even when no one is there to hear them".
This concept's ID is @1~57917
Very high frequency sound; used in ultrasonography.