infrasonic
adjective
in路fra路son路ic
| \ 藢in-fr蓹-藞s盲-nik
, -(藢)fr盲-\
, -(藢)fr盲-\
Definition of infrasonic
1
: having or relating to a frequency below the audibility range of the human ear
2
: utilizing or produced by infrasonic waves or vibrations
Examples of infrasonic in a Sentence
Recent Examples on the Web
For instance, hot lava flowing down the mountain essentially drained the lava lake at its summit, so there should be a corresponding shift in the infrasonic signature. — Jennifer Ouellette, Ars Technica, "Scientists look to music of volcanos to better monitor eruptions," 24 Aug. 2018 These devices usually operate at the ultrasonic level (above audible range) or the infrasonic level (below audible range). — Alex Ward, Vox, "What鈥檚 happening to US diplomats in Cuba and China? Here are 4 theories.," 8 June 2018 An infrasonic or ultrasonic weapon can cause hearing loss and physical pain by emitting a sound not audible to a human ear within the vicinity of the victim. — Casey Quackenbush, Time, "Canada Recalls Families of Diplomats in Cuba Following Mystery Illness," 17 Apr. 2018 Since the 1990s, the US military and private companies researched infrasonic devices that could cause behavior changes at frequencies too low to be audible. — Zachary Cohen, CNN, "New audio adds to mystery of attacks on US diplomats," 13 Oct. 2017 To monitor the volcano鈥檚 volatility, seismographs, strainmeters, geomagnetometers, infrasonic microphones and water-tube tiltmeters have been placed on the mountain鈥檚 slopes and around its 78-mile perimeter. — Gilles Mingasson, Smithsonian, "Why Mount Fuji Endures As a Powerful Force in Japan," 2 May 2017These example sentences are selected automatically from various online news sources to reflect current usage of the word 'infrasonic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for infrasonic
infrasonic
adjective
in路fra路son路ic
| \ -藞s盲n-ik
\
\
Medical Definition of infrasonic
1
: having or relating to a frequency below the audibility range of the human ear
2
: utilizing or produced by infrasonic waves or vibrations