Meaning & use
infrasonic
Relating to sound waves with a frequency too low for the human ear to detect.
See it in a sentence
Elephants communicate over long distances using infrasonic rumbles below human hearing.
Scientists used infrasonic sensors to detect the distant volcanic eruption.
A note on using this word
Infrasonic contrasts with ultrasonic, which refers to frequencies too high for humans to hear; both lie outside the normal audible range.
Words with a similar meaning
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