mu

play
noun \ˈmyü, ˈmü\

Definition of mu

  1. :  the 12th letter of the Greek alphabet — see alphabet table

Recent Examples of mu from the Web

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

Origin and Etymology of mu

Greek my


Medical Dictionary

noun \ˈmyü, ˈmü\

Medical Definition of mu

plural

mu

  1. :  micron

Learn More about mu


Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

set in a bent position

Get Word of the Day daily email!

Test Your Vocabulary

The Emoji Quiz

  • emoji-the-quiz
  • What phase of the moon is this: 🌖 ?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

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!