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Määritelmät

Substantiivi

1. (physics) Sound with a frequency greater than the upper limit of human hearing, which is approximately 20 kilohertz.
2. (metonymic, chiefly informal) Ultrasonography.
3. Medical ultrasonography.
4. Therapeutically applied ultrasonic energy.

Verbi

1. (ambitransitive) To treat with ultrasound.