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infrasound
[ in-fruh-sound ]
/ ˈɪn frəˌsaʊnd /
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noun
sound with frequencies below the audible range.
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Words nearby infrasound
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for infrasound
infrasound
/ (ˈɪnfrəˌsaʊnd) /
noun
soundlike waves having a frequency below the audible range, that is, below about 16Hz
Derived forms of infrasound
infrasonic (ˌɪnfrəˈsɒnɪk), adjectiveCollins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for infrasound
infrasound
[ ĭn′frə-sound′ ]
Sound whose wave frequency is too low (under 15-20 hertz) to be heard by humans. Some animals, such as elephants and whales, emit calls at infrasound frequencies. See Note at ultrasound.
Other words from infrasound
infrasonic adjectiveThe American Heritage® Science Dictionary
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