transonic

adjective
tran·son·ic | \tran(t)s-ˈsä-nik, tran-ˈsä-\
variants: or less commonly transsonic

Definition of transonic 

1 : being or relating to speeds near that of sound in air or about 741 miles (1185 kilometers) per hour at sea level and especially to speeds slightly below the speed of sound at which the speed of airflow varies from subsonic to supersonic at different points along the surface of a body in motion relative to the surrounding air

2 : moving, capable of moving, or utilizing air currents moving at a transonic speed

Examples of transonic in a Sentence

Recent Examples on the Web

Wings can be designed so that transonic airflow remains smooth at certain speeds without generating shock waves. Kenneth Chang, New York Times, "Cathleen Morawetz, Mathematician With Real-World Impact, Dies at 94," 11 Aug. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'transonic.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of transonic

1945, in the meaning defined at sense 1

History and Etymology for transonic

trans- + supersonic

Keep scrolling for more

Learn More about transonic

Statistics for transonic

Look-up Popularity

Time Traveler for transonic

The first known use of transonic was in 1945

See more words from the same year

More from Merriam-Webster on transonic

See words that rhyme with transonic

Comments on transonic

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

WORD OF THE DAY

to reject or criticize sharply

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
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

Love words? Need even more definitions?

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