# ultrasound

> English word · Noun · frequency rank #14,861

## Definitions
1. Sound with a frequency greater than the upper limit of human hearing, which is approximately 20 kilohertz.
2. Ultrasonography.
3. Ultrasonography.
4. Therapeutically applied ultrasonic energy.

## Etymology
From ultra- + sound.

## Common misspellings (15)
`lutrasound`, `ulltrasound`, `ulrtasound`, `ultarsound`, `ultraosund`, `ultrasonud`, `ultrasoudn`, `ultrasoundd`, `ultrasounnd`, `ultrassound`, `ultrasuond`, `ultrrasound`, `ultrsaound`, `ulttrasound`, `utlrasound`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/ultrasound