Test Your Vocabulary

Take Our 10-Question Quiz

Name That Thing

Take our visual vocab quiz

Test Your Knowledge »

True or False?

A quick quiz about stuff worth knowing

Take It Now »

Join Us on FB & Twitter

Get the Word of the Day and More

Facebook | Twitter
  1. Word Games
  2. Word of the Day
  3. New Words & Slang
  4. Video
 

sound barrier


sound barrier

noun

Definition of SOUND BARRIER

: a sudden large increase in aerodynamic drag that occurs as the speed of an aircraft approaches the speed of sound
See sound barrier defined for English-language learners »
See sound barrier defined for kids »

First Known Use of SOUND BARRIER

1939

Rhymes with SOUND BARRIER

hod carrier, mail carrier, spear-carrier

Learn More About SOUND BARRIER

Browse

Next Word in the Dictionary: sound–bite
Previous Word in the Dictionary: sound–and–light show
All Words Near: sound barrier

Seen & Heard

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