plural noun
ul·​tra·​son·​ics | \ ˌəl-trə-ˈsä-niks How to pronounce ultrasonics (audio) \

Definition of ultrasonics

1 : ultrasonic vibrations or compressional waves
2 singular in construction : the study of ultrasonic vibrations and their associated phenomena
3 : ultrasonic devices

First Known Use of ultrasonics

1924, in the meaning defined at sense 1

Keep scrolling for more

Learn More about ultrasonics

Statistics for ultrasonics

Look-up Popularity

Time Traveler for ultrasonics

The first known use of ultrasonics was in 1924

See more words from the same year

Keep scrolling for more

More Definitions for ultrasonics

ul·​tra·​son·​ics | \ ˌəl-trə-ˈsän-iks How to pronounce ultrasonics (audio) \

Medical Definition of ultrasonics

1 : the science or technology of ultrasonic phenomena

More from Merriam-Webster on ultrasonics

Rhyming Dictionary: Words that rhyme with ultrasonics

Britannica.com: Encyclopedia article about ultrasonics

Comments on ultrasonics

What made you want to look up ultrasonics? Please tell us where you read or heard it (including the quote, if possible).


not constant or steady

Get Word of the Day daily email!

Test Your Vocabulary

Summer 2019 Words of the Day Quiz

  • a-bowl-of-peach-sorbet-with-cut-peaches-next-to-it
  • Which is a synonym of desideratum?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!