mo·​nad | \ ˈmō-ˌnad How to pronounce monad (audio) \

Definition of monad

1a : unit, one
c : an elementary individual substance which reflects the order of the world and from which material properties are derived
2 : a flagellated protozoan (as of the genus Monas)

Other Words from monad

monadic \ mō-​ˈna-​dik How to pronounce monadic (audio) , mə-​ \ adjective
monadism \ ˈmō-​ˌna-​ˌdi-​zəm How to pronounce monadism (audio) \ noun

First Known Use of monad

1615, in the meaning defined at sense 1a

History and Etymology for monad

Late Latin monad-, monas, from Greek, from monos

Keep scrolling for more

Learn More about monad

Statistics for monad

Look-up Popularity

Time Traveler for monad

The first known use of monad was in 1615

See more words from the same year

Keep scrolling for more

More Definitions for monad


mo·​nad | \ ˈmō-ˌnad How to pronounce monad (audio) \

Medical Definition of monad

1 : a flagellated protozoan (as of the genus Monas)
2 : a monovalent element or radical
3 : any of the four chromatids that make up a tetrad in meiosis

More from Merriam-Webster on monad

Rhyming Dictionary: Words that rhyme with monad Encyclopedia article about monad

Comments on monad

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


having no luck

Get Word of the Day daily email!

Test Your Vocabulary

What's that Smell?! Quiz

  • wide eyed dog smelling rose
  • Someone who is hircine smells like a:
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

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