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Ultrasonic vs Undefined - What's the difference?

ultrasonic | undefined |

As adjectives the difference between ultrasonic and undefined

is that ultrasonic is (acoustics) beyond (higher in frequency than) the range of sound perceptible to the human ear; with a frequency of 20 kilohertz or higher while undefined is lacking a definition or value.

ultrasonic

English

(wikipedia ultrasonic)

Adjective

(en adjective)
  • (acoustics) Beyond (higher in frequency than) the range of sound perceptible to the human ear; with a frequency of 20 kilohertz or higher.

    • Related terms

    * ultrasound, ultrasonics * sonic

    Antonyms

    * infrasonic

    undefined

    English

    Adjective

    (wikipedia undefined) (-)
  • Lacking a definition or value.
  • (mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.
    • The result of division by zero is undefined .

    Antonyms

    * defined