bn:01434531n
Noun Concept
Categories: Articles with permanently dead external links, Storm chasing, Sound, Articles with short description, Weather forecasting
EN
infrasound
EN
Infrasound, sometimes referred to as low-frequency sound, describes sound waves with a frequency below the lower limit of audibility. Wikipedia
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EN
Infrasound, sometimes referred to as low-frequency sound, describes sound waves with a frequency below the lower limit of audibility. Wikipedia
Sound at frequencies below the normal threshold of human hearing Wikipedia Disambiguation
Vibrations with frequencies lower than 20 hertz Wikidata
Vibrations of the air at frequencies too low to be perceived as sound by the human ear, below about 15 hertz. OmegaWiki
Sound waves having a frequency below the human audible range (below about 20 Hz). Wiktionary
Low-frequency sound waves. Wiktionary (translation)
Wikipedia
Wikidata
Wiktionary
OmegaWiki