infrasound

noun
in·​fra·​sound | \ ˈin-frə-ˌsau̇nd How to pronounce infrasound (audio) \

Medical Definition of infrasound

: a wave phenomenon of the same physical nature as sound but with frequencies below the range of human hearing — compare ultrasound sense 1

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Cite this Entry

“Infrasound.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/infrasound. Accessed 2 Dec. 2020.

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