AskDefine | Define ultrasonic

Dictionary Definition

ultrasonic adj : having frequencies above those of audible sound [syn: supersonic]

User Contributed Dictionary

English

Etymology

From ultra- + sonic.

Adjective

  1. Beyond (higher in frequency than) the range of sound perceptible to the human ear; with a frequency of 20 kilohertz or higher.

Translations

beyond (higher in frequency than) the range of sound perceptible to the human ear
  • Czech: nadzvukový, nadzvuková, nadzvukové
  • Slovak: nadzvukový, nadzvuková, nadzvukové

Extensive Definition

Ultrasound is sound with a frequency greater than the upper limit of human hearing. Ultrasonic is an adjective referring to ultrasound.
Ultrasound and ultrasonic may also refer to:
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