ultrasound

🇺🇸 /ˈʌltrəsaʊnd/ 🇬🇧 /ˈʌltrəsaʊnd/
Frequency
Difficulty
Tags TOP20000
noun
R

A sound with a frequency higher than the upper audible limit of human hearing.

Dolphins use ultrasound to communicate underwater.

R

A medical imaging technique that uses high-frequency sound waves to create images of the inside of the body.

The doctor used an ultrasound to check the baby's development in the womb.

translation

n. A sound with a frequency higher than the upper audible limit of human hearing.; A medical imaging technique that uses high-frequency sound waves to create images of the inside of the body.

Word Forms

Plural ultrasounds