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infrasonic

American  
[in-fruh-son-ik] / ˌɪn frəˈsɒn ɪk /

adjective

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


Etymology

Origin of infrasonic

First recorded in 1925–30; infra- + sonic

Vocabulary lists containing infrasonic

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Elephants can speak to each other using infrasonic rumbles — sounds that humans are incapable of hearing — that travel long distances and warn other nearby elephants of potential danger.

From Los Angeles Times • Apr. 14, 2025

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 • Jan. 3, 2024

They communicate over long distances with infrasonic calls we can’t hear, as established by research in the 1980s by Katy Payne, who had studied the bioacoustics of whale song.

From Washington Post • Jun. 23, 2022

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

From The Verge • Sep. 16, 2017

These infrasonic sounds can rattle and paralyze prey.

From Scientific American • Apr. 10, 2013