
1) Beyond human hearing 2) Inaudible 3) Supersonic 4) Too high to catch 5) Top Seattle cager 6) Unhearable
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https://www.crosswordclues.com/clue/ultrasonic

1) Inaudible 2) Supersonic 3) Unhearable
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https://www.crosswordclues.com/clue/ultrasonic

sound waves that have frequency higher than we can hear (20,000 Hz)
Found on
http://www.chemistry-dictionary.com/definition/ultrasonic.php

the conversion of high frequency electrical current into mechanical vibrations.
Found on
http://www.cosmeticdentistryguide.co.uk/glossary.html

Relating to energy waves similar to those of sound but of higher frequencies (above 30,000 Hz). ... Origin: ultra-+ L. Sonus, sound ... (05 Mar 2000) ...
Found on
http://www.encyclo.co.uk/local/20973

(ul″trә-son´ik) beyond the audible range; relating to sound waves having a frequency of more than 20,000 Hz.
Found on
http://www.encyclo.co.uk/local/21001

Type: Term Pronunciation: ŭl′tră-son′ik Definitions: 1. Relating to energy waves similar to those of sound but of higher frequencies (above 20,000 Hz).
Found on
http://www.medilexicon.com/medicaldictionary.php?t=95511

Ultrasonic is a term referring to sound waves higher in frequency than 15 kHz.
Found on
http://www.probertencyclopaedia.com/browse/GU.HTM

Sound frequencies which are above the highest frequency of human hearing (20 kHz). See also Infrasonic.
Found on
http://www.traditionalmusic.co.uk/music%20tech%20glossary/Music%20Tech%20Gl

Sound at frequencies above the audible range, i.e. above about 20 kHz.Biological effects of ultrasound:Thermal â€` tissue is damaged due to heatingNonthermal â€` tissue damage due to mechanisms other than heating. These include mechanical forces on or within the tissue.Cavitational mechanisms â€` microstreaming, shock waves and microjetsNo...
Found on
https://www.encyclo.co.uk/local/20687

An NDE technique which relies on an ultrasonic beam passing through a coating and substrate and providing a signal from the back wall which is then detected. The height of this backwall echo depends on the discontinuity in impedance from the sprayed coating to the substrate. Bonding flaws can be easily seen by the weakening of the back wall echo.
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Found on
https://www.encyclo.co.uk/local/20828

Having frequencies above the range of human hearing, commonly considered to be 20 khz. Not to be con
Found on
https://www.encyclo.co.uk/local/22369

of, pertaining to, or utilizing ultrasound.
Found on
https://www.infoplease.com/dictionary/ultrasonic
No exact match found.