Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

balun

noun
bal·​un | \ ˈbaˌlən\
plural -s

Definition of balun

: a radio device for converting from a balanced to an unbalanced line and usually used at high radio frequencies

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for balun

balanced + unbalanced

Keep scrolling for more

Learn More about balun

Statistics for balun

Look-up Popularity

Comments on balun

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

Show Comments  Hide Comments 

WORD OF THE DAY

cogent

Listen to the pronounciation of cogent

appealing forcibly to the mind or reason

Get Word of the Day daily email!

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
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!

Words at Play
Ask the Editors
Word Games