Ultrasound

noun, verb, slang

noun, verb, slang ·3 syllables ·Moderate ·High school level

Definitions

Noun
  1. 1
    Sound with a frequency greater than the upper limit of human hearing, which is approximately 20 kilohertz. countable, uncountable
  2. 2
    using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs wordnet
  3. 3
    Ultrasonography. countable, informal, metonymically, uncountable
  4. 4
    very high frequency sound; used in ultrasonography wordnet
  5. 5
    Ultrasonography.; Medical ultrasonography. countable, informal, metonymically, uncountable
Show 1 more definition
  1. 6
    Therapeutically applied ultrasonic energy. countable, uncountable

    "Ultrasound as a treatment for degenerative arthritis was in its infancy. It might eventually turn out to be as effective as the Salk vaccine, or as bogus as the science of phrenology."

Verb
  1. 1
    To treat with ultrasound. ambitransitive

Synonyms

All synonyms
amplitudeechographyloudnessnoisephonesonography

Example

More examples

"I'd like you to have an ultrasound."

Etymology

From ultra- + sound.

Related phrases

3D ultrasound4D ultrasound

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