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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Short "hint"

adj. - Having frequencies below those of audible sound.

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Usage examples (39)
  • However, technological advances are making it possible to develop WMD based on qualitatively new principles, such as infrasonic (acoustic), radiological...
  • Although we cannot hear these "infrasonic" waves - which have frequencies ranging from 0. 01-10 Hz - we know they exist from acoustic recordings around the globe.
  • The side effect of the portal was infrasonic frequencies and it's reactions with different elements it encountered.
  • Frequencies higher than audio are referred to as ultrasonic, while frequencies below audio are referred to as infrasonic.
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