Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

ultrasonic

play
adjective ul·tra·son·ic \-ˈsä-nik\

Simple Definition of ultrasonic

  • —used to describe sounds that are too high for humans to hear

Source: Merriam-Webster's Learner's Dictionary

Full Definition of ultrasonic

  1. 1 :  having a frequency above the human ear's audibility limit of about 20,000 hertz —used of waves and vibrations

  2. 2 :  utilizing, produced by, or relating to ultrasonic waves or vibrations

ultrasonically

play \-ni-k(ə-)lē\ adverb

Medical Dictionary

ultrasonic

play
adjective ul·tra·son·ic \-ˈsän-ik\

Medical Definition of ultrasonic

  1. 1a:  having a frequency above the human ear's audibility limit of about 20,000 hertz—used of waves and vibrationsb:  utilizing, produced by, or relating to ultrasonic waves or vibrations <removal of tartar with an ultrasonic scaler>

  2. 2:  ultrasound

ultrasonically

\-i-k(ə-)lē\play adverb



Learn More about ultrasonic

  1. Spanish Central: Translation of ultrasonic


Seen and Heard

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

WORD OF THE DAY

of, relating to, or near a shore

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

lavender-fields-in-france

Which of these is a synonym of caesura?

rebellion torrent interruption megillah
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ