- infrasound infra·sound n
- ['ɪnfrəˌsaʊnd]
Phys infrasuono
English-Italian dictionary. 2013.
infrasound infra·sound n
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Infrasound — is sound with a frequency too low to be heard by the human ear. The study of such sound waves is sometimes referred to as infrasonics, covering sounds beneath the lowest limits of human hearing (20 hertz) down to 0.001 hertz. This frequency range … Wikipedia
infrasound — /in freuh sownd /, n. sound with frequencies below the audible range. [1925 30; INFRA + SOUND1] * * * … Universalium
Prediction of volcanic activity — (also: volcanic eruption forecasting ) is an interdisciplinary scientific and engineering approach to natural catastrophic event forecasting. Volcanic activity prediction has not been perfected, but significant progress has been made in recent… … Wikipedia
