1. 
   Ultrasonic
   the conversion of high frequency electrical current into mechanical vibrations.
   Found op http://www.cosmeticdentistryguide.co.uk/glossary.html
   
   
2. 
   Ultrasonic
   Sound frequencies which are above the highest frequency of human hearing (20 kHz). See also Infrasonic.
   Found op http://www.traditionalmusic.co.uk/music%20tech%20glossary/Music%20Tech%20Gl
   
   
3. 
   Ultrasonic
   Sound at frequencies above the audible range, i.e. above about 20 kHz.Biological effects of ultrasound:Thermal – tissue is damaged due to heatingNonthermal – tissue damage due to mechanisms other than heating. These include mechanical forces on or within the tissue.Cavitational mechani...
   Found op http://www.diracdelta.co.uk/science/source/u/l/ultrasonic/source.html
   
   
4. 
   Ultrasonic
   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 eas...
   Found op http://www.poeton.co.uk/w1/glossary.htm
   
   
5. 
   ultrasonic
   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 op http://www.mondofacto.com/facts/dictionary?ultrasonic
   
   
6. 
   ultrasonic
   (ul″trә-son´ik) beyond the audible range; relating to sound waves having a frequency of more than 20,000 Hz.
   Found op http://www.encyclo.co.uk/local/21001
   
   
7. 
   Ultrasonic
   Ultrasonic is a term referring to sound waves higher in frequency than 15 kHz.
   Found op http://www.probertencyclopaedia.com/browse/GU.HTM
   
   
8. 
   ultrasonic
   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 op http://www.medilexicon.com/medicaldictionary.php?t=95511
   
   
9. 
   ultrasonic
   sound waves that have frequency higher than we can hear (20,000 Hz)
   Found op http://www.chemistry-dictionary.com/definition/ultrasonic.php
   
   
10. 
    ultrasonic
    1) Inaudible 2) Supersonic 3) Unhearable
    Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/ultrasonic/1
    
    

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