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ul•tra•sound



Pronunciation: (ul'tru-sound"), Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/ultrasound.html on line 73 [key]
n.
1. Physics.sound with a frequency greater than 20,000 Hz, approximately the upper limit of human hearing.
2. Med.the application of ultrasonic waves to therapy or diagnostics, as in deep-heat treatment of a joint or imaging of internal structures. Cf. ultrasonography.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/ultrasound.html on line 104 ultrasonography Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/ultrasound.html on line 112 ultrastructure
See also:
  • Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/ultrasound.html on line 123 ultrasound (Thesaurus)
  • Strict Standards: Non-static method FenSites::linkTo() should not be called statically in /site/html/dictionary/ultrasound.html on line 125 ultrasound (Encyclopedia)

 

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