infrasonic
1
8.9
Very low sound waves that people cannot hear
- adjective
- /ˌɪnfrəˈsɒnɪk/
- Specialized
:
infrasonido
- Elephant communication often relies on infrasonic waves to travel long distances that are inaudible to humans.
- infrasonic microphones
- infrasonic signals
Examples
-
She bellows into the air, sending out a sound wave that rings across the Savannah, but it travels even further through the earth as infrasonic rumbles.
-
The infrasonic sounds produced by the storm were detected by specialized equipment, indicating its intensity.
-
Scientists study infrasonic waves to understand natural phenomena, such as volcanic eruptions and earthquakes.
Synonyms
10
7.6
Too high or too low for people to hear
is limited to sounds with frequencies below human hearing, not above
How High
ultrasonic
10
6.4
- Specialized
10
6.4
high frequency
6
4.1
6
4.1
midrange
- Specialized
low frequency
3
4.5
3
4.5
infrasonic
1
8.9
- Specialized
1
8.9
Surface Forms
infrasonic positive
Morphology
Etymology
Infrasonic comes from infra- meaning 'below' and sonic meaning 'sound', as in the everyday word sonic or the phrase 'sonic boom'. So infrasonic describes sounds that are 'below' what humans can hear.