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Sonar vs Ultrasound - What's the difference?

sonar | ultrasound |

As nouns the difference between sonar and ultrasound

is that sonar is echolocation while ultrasound is sound with a frequency greater than the upper limit of human hearing; approximately 20 kilohertz.

sonar

English

(wikipedia sonar)

Noun

(en noun)
  • (nautical) echolocation
  • (nautical) A device that uses hydrophones (in the same manner as radar) to locate objects underwater.

    • Synonyms

    * SONAR (acronym of sound navigation and ranging)

    Derived terms

    * Doppler sonar

    See also

    * radar * lidar

    Anagrams

    * * * ----

    ultrasound

    English

    Noun

    (wikipedia ultrasound)
  • (physics) sound with a frequency greater than the upper limit of human hearing; approximately 20 kilohertz
  • (medicine) The use of ultrasonic waves for diagnostic or therapeutic purposes

    • Related terms

    * ultrasonic, ultrasonics

    Antonyms

    * (physics) infrasound

    Anagrams

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