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Infrasound vs Especiallylowfrequencysound - What's the difference?

infrasound | especiallylowfrequencysound |

infrasound

English

Noun

(wikipedia infrasound)
  • (physics) Sound waves having frequency below the human audible range (below about 20 Hz).

    • Related terms

    * infrasonic, infrasonics

    Antonyms

    * ultrasound

    especiallylowfrequencysound

    Not English

    Especiallylowfrequencysound has no English definition. It may be misspelled.