Definition of infrasound in English:

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infrasound

Pronunciation: /ˈinfrəˌsound/

noun

Sound waves with frequencies below the lower limit of human audibility.
Example sentences
  • Laser weapons, isotropic radiators, infrasound, non-nuclear electromagnetic pulse generators, and high-power microwave emitters have been mentioned.
  • The answer, Zuckerwar explains, is that each one generates silent infrasound - long sound waves at a frequency below 20 hertz.
  • When snow rushes down mountains, it pushes air before it and creates infrasound at frequencies below 8 Hz.
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