X band

noun

Definition of X band

: a segment of the superhigh-frequency radio spectrum that lies between 5.2 GHz and 10.9 GHz and is used especially for radars and for spacecraft communication

First Known Use of X band

circa 1946, in the meaning defined above

Keep scrolling for more

Learn More about X band

Dictionary Entries near X band

Xaverian Brother

Xavier

x-axis

X band

X-body

X-C

X-chair

Statistics for X band

Look-up Popularity

Time Traveler for X band

The first known use of X band was circa 1946

See more words from the same year

More from Merriam-Webster on X band

Rhyming Dictionary: Words that rhyme with X band

Comments on X band

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

WORD OF THE DAY

to reflect, repel, echo, or resound

Get Word of the Day daily email!

Test Your Vocabulary

Original Meanings Quiz

  • rembrandt-painting-a-young-scholar-and-his-tutor
  • Which of the following is the earliest known sense of the word awe?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Syn City

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!