Ultrasonic

//ʌltɹəˈsɒnɪk// adj

adj ·Rare ·Advanced level

Definitions

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

    "The wheel shop also has equipment for ultrasonic testing of axles for flaws; and systematic checking of locomotive axles and crank pins is carried out as they pass through the shops."

Adjective
  1. 1
    having frequencies above those of audible sound wordnet

Synonyms

All synonyms
acousticacousticalinaudiblephonicsupersonic

Example

More examples

"Scientists at the Oak Ridge National Laboratory have invented an ultrasonic dryer that can dry clothes without heating them."

Etymology

From ultra- + sonic.

Related phrases

acousto-ultrasonicultrasonic bath

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.