ultrasonic

adjective

ul·​tra·​son·​ic ˌəl-trə-ˈsä-nik How to pronounce ultrasonic (audio)
1
: having a frequency above the human ear's audibility limit of about 20,000 hertz
used of waves and vibrations
2
: utilizing, produced by, or relating to ultrasonic waves or vibrations
ultrasonically adverb

Did you know?

Ultrasound, or ultrasonography, works on the principle that sound is reflected at different speeds by tissues or substances of different densities. Ultrasound technology has been used medically since the 1940s. Sonograms, the pictures produced by ultrasound, can reveal heart defects, tumors, and gallstones; since low-power ultrasonic waves don't present any risks to a body, they're most often used to display fetuses during pregnancy in order to make sure they're healthy. Ultrasonics has many other uses, including underwater sonar sensing. High-power ultrasonics are so intense that they're actually used for drilling and welding.

Examples of ultrasonic in a Sentence

Recent Examples on the Web This pore cleaner uses ultrasonic technology to effectively remove blackheads and other skin impurities, enhancing the base of your skin in one use. Mia Meltzer, Rolling Stone, 10 Sep. 2024 The Arcis system is also designed to protect art against bacterial growth and mineral dust accumulation—common pitfalls in popular ultrasonic technology. The Editors Of Artnews, ARTnews.com, 10 Sep. 2024 Best Amazon Prime Day Oral & Personal Care Deals Keep those pearly whites healthy and bright with Amazon’s best-selling ultrasonic toothbrush that’s on sale for just $40. Laura Lu, Health, 8 Oct. 2024 This ultrasonic cleaner features a 20 oz tank that can clean multiple pieces of jewelry at once. Addie Morton, Better Homes & Gardens, 11 Sep. 2024 See all Example Sentences for ultrasonic 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'ultrasonic.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1923, in the meaning defined at sense 1

Time Traveler
The first known use of ultrasonic was in 1923

Dictionary Entries Near ultrasonic

Cite this Entry

“Ultrasonic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultrasonic. Accessed 4 Nov. 2024.

Kids Definition

ultrasonic

adjective
ul·​tra·​son·​ic ˌəl-trə-ˈsän-ik How to pronounce ultrasonic (audio)
: relating to or being vibrations that are of the same kind as sound waves but have too high a frequency to be heard by the human ear
ultrasonically adverb

Medical Definition

ultrasonic

adjective
ul·​tra·​son·​ic -ˈsän-ik How to pronounce ultrasonic (audio)
1
a
: having a frequency above the human ear's audibility limit of about 20,000 hertz
used of waves and vibrations
b
: utilizing, produced by, or relating to ultrasonic waves or vibrations
removal of tartar with an ultrasonic scaler
2
ultrasonically adverb
Last Updated: - Updated example sentences
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