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|Look up echolocation in Wiktionary, the free dictionary.|
Echolocation is the use of "sound" as a form of navigation
- Acoustic location, the general use of sound to locate objects.
- Animal echolocation, non-human animals emitting sound waves and listening to the echo in order to locate objects or navigate.
- Human echolocation, the use of sound by people to navigate.
- Sonar (sound navigation and ranging), the use of sound on water or underwater, to navigate or to locate other watercraft, usually by submarines.
- Echo sounding, listening to the echo of sound pulses to measure the distance to the bottom of the sea, a special case of Sonar.
- Medical ultrasonography, the use of ultrasound echoes to look inside the body.