infrasonic

[ in-fruh-son-ik ]
/ ˌɪn frəˈsɒn ɪk /

adjective

noting or pertaining to a sound wave with a frequency below the audio-frequency range.

Origin of infrasonic

First recorded in 1925–30; infra- + sonic

Medical definitions for infrasonic

infrasonic
[ ĭn′frə-sŏnĭk ]

adj.

Generating or using waves or vibrations with frequencies below that of audible sound.

Scientific definitions for infrasonic

infrasound
[ ĭnfrə-sound′ ]

Sound whose wave frequency is too low (under 15-20 hertz) to be heard by humans. Some animals, such as elephants and whales, emit calls at infrasound frequencies. See Note at ultrasound.

Other words from infrasound

infrasonic adjective