infrasonic

[ in-fruh-son-ik ]

adjective

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

Word History and Origins

Origin of infrasonic¹

First recorded in 1925–30; infra- + sonic

Example Sentences

One of the most striking features of the Nord Stream events is its long-lasting seismic and infrasonic signals, the researchers found.

From Science Daily

Etna's explosions generate "infrasonic waves" that the human ear does not pick up because of their low sound frequency, but the glass in the windows does.

From BBC

The study offers few clues about how terns might do this, but other research suggests some migrating birds detect infrasonic weather signals or observe changing clouds.

From Scientific American

After digging through decades of literature in the field, Jauchem concluded that infrasonic weapons are impractical.

From The Verge

Horowitz explained that infrasonic machines at a very high amplitude can cause nausea, ultrasonics have no effect on hearing, and long-range acoustic devices or sound canons are “extremely noticeable and easy to move away from.”

From Washington Post