infrasonic


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infrasonic

 [in″frah-son´ik]
below the frequency range of sound waves.

in·fra·son·ic

(in'fră-son'ik),
Denoting those frequencies that lie below the range of human hearing.
Synonym(s): subsonic
[infra- + L. sonus, sound]

in·fra·son·ic

(in'fră-son'ik)
Denoting those frequencies that lie below the range of human hearing.
[infra- + L. sonus, sound]
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References in periodicals archive ?
(a) Infrasonics: Pure Consciousness/Purport/Unoccupied Awareness (Meaningful Experience or Experienced Meaning-para) Bhakti : experience of import Infrasonics
The Helmholtz resonators are used to attenuate the low-frequency (infrasonic) pressure fluctuations that occur in open-jet wind tunnels.
A multidimensional evaluation method for the psychological effects of pure tones at low and infrasonic frequencies.
Too low for humans to hear, the infrasonic components of elephants' calls have at times been attributed to a process similar to a cat's contented thrum.
The aim of this agreement is to build a seismic detection station and an infrasonic vibration station, he said.
An empty room was filled with an inaudible ultrasonic wave modulated by infrasonic vibration whose frequency corresponded to brain waves in the state of relaxation or meditation.
They are equipped with mechanical, magnetic, acoustic, and low-frequency/ infrasonic sweeps.
Euromi has placed thousands of Nutational Infrasonic Liposculpture systems around the world.
The local weather observatory said it has observed 458 pascals of air vibration from Tuesday's eruption at its infrasonic meter located some 3 km to the southwest of the volcanic crater, while the Miyazaki observatory said it has confirmed air vibration that could be felt by people.
(examining "two types of acoustic technology: aural (sonic) systems and non-aural (infrasonic) systems").