D013016Level 5

Sound

**Definition:** A type of non-ionizing radiation in which energy is transmitted through solid, liquid, or gas as compression waves. Sound (acoustic or sonic) radiation with frequencies above the audible range is classified as ultrasonic. Sound radiation below the audible range is classified as infrasonic.

**Tree numbers:** - G01.750.770.776

**Synonyms:** - Sonic Radiation

GET/api/v1/systems/mesh/nodes/D013016

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D000069453Ultrasonic Waves

D009622Noise

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