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Adjective: infrasonic  ,in-fru'só-nik
  1. Having frequencies below those of audible sound

See also: inaudible, unhearable

Encyclopedia: Infrasonic

Nearest

infraorbital artery
infrared
infrared emission
infrared frequency
infrared lamp
infrared light
infrared radiation
infrared ray
infrared spectrum
infrared therapy
infrasonic
infrasound
infrastructure
infrequency
infrequent
infrequently
infrigidation
infringe
infringement
infringement of copyright
infructescence