ultrasonic Hear it!

ultrasonic Definition

ultra·sonic (-sän′ik)

adjective

designating or of a frequency of mechanical vibrations above the range audible to the human ear, i.e., above 20,000 vibrations per second

Etymology: ultra- + sonic

ultrasonic Related Forms
ul′tra·son′i·cally adverb
ultrasonic Synonyms

ultrasonic

modif.

shrill, high, supersonic, suprasonic, above 20,000 vibrations per second, too high for human ears or hearing.

ultrasonic Usage Examples

Modifies a noun

  • transducer: A common method of attachment utilizes an ultrasonic transducer.
  • repeller: Price: £ 120.00 Pest Clear Outdoor Model for Cats and Dogs A powerful ultrasonic repeller designed to clear the garden of unwanted visitors.
  • scaler: Ultrasonic scalers are used to remove calculus rapidly from the tooth surface.
  • anemometer: A more intensive array of 12 sensitive cup anemometers and two, three-dimensional ultrasonic anemometers are now being used in the field.
  • cleaning: These include ultrasonic cleaning, buffer roller cleaners and particle transfer rollers.
  • propagation: Of particular interest is the modeling of ultrasonic wave propagation through heterogeneous media.

Used with adjective complement

  • use: It is already illegal to use ultrasonic scanning to find out an unborn child's sex.