| sonic scaler |
Ultrasonic scaler.
출처:
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| sonic a. |
an electromechanical transducer used in the local application of sound for therapeutic purposes, as in the treatment of muscular ailments.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| sonic s. |
the use of focused ultrasonic waves to produce precisely circumscribed alterations within tissues at predetermined sites.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| sonic w.’s |
audible sound waves.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| sonic boom |
When a plane pushes through a shockwave it creates a sonic boom. The noise is the result of breaking through the air waves which form in front of a fast moving plane. The sonic boom sounds when the plane is going faster than 760 MPH.
출처: www.ueet.nasa.gov/StudentSite/vocabulary.html
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