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Generating or using waves or vibrations with frequencies below that of audible sound.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(ˌɪn frəˈsɒn ɪk)

noting or pertaining to a sound wave with a frequency below the range of normally audible sound.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.infrasonic - having frequencies below those of audible sound
inaudible, unhearable - impossible to hear; imperceptible by the ear; "an inaudible conversation"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


[ˈɪnfrəˌsɒnɪk] ADJinfrasónico
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
References in periodicals archive ?
(a) Infrasonics: Pure Consciousness/Purport/Unoccupied Awareness (Meaningful Experience or Experienced Meaning-para) Bhakti : experience of import Infrasonics
Nutscracker explains that complete and yet indiscernible manipulation is possible through the use of coercive orientation; infrasonics; conditioned reflex editing such as blurring and rippling vision, buzzing ears, electric shock; electrodes, pharmacological means, or entraining the brain to delta rhythms so as to stimulate the pleasure centre (Pelevin 103, 105).