Definition of infrasound in English:
Sound waves with frequencies below the lower limit of human audibility.
- 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.
Definition of infrasound in:
- British & World English dictionary
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