ad·​joint | \ ˈa-ˌjȯint How to pronounce adjoint (audio) \

Definition of adjoint

: the transpose of a matrix in which each element is replaced by its cofactor

Examples of adjoint in a Sentence

Recent Examples on the Web Led by Paola Villa, an adjoint curator at the University’s Museum of Natural History, the scientists analyzed dozens of shells found at the Grotta dei Moscerini, a beachside cave in the Italian region of Latium. Fox News, "Neanderthal beachcombers went diving for seashells, scientists discover," 17 Jan. 2020

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

First Known Use of adjoint

1858, in the meaning defined above

History and Etymology for adjoint

derivative of adjoint, adjective, "related by a process of transposition," borrowed from French, literally, "adjoined," from past participle of adjoindre "to adjoin"

Keep scrolling for more

Learn More about adjoint

Time Traveler for adjoint

Time Traveler

The first known use of adjoint was in 1858

See more words from the same year

Statistics for adjoint

Last Updated

24 Jan 2020

Cite this Entry

“Adjoint.” Dictionary, Merriam-Webster, Accessed 20 Feb. 2020.

More from Merriam-Webster on adjoint

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

Comments on adjoint

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


See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

More Confusing Words—Quiz

  • cats on impossible timber
  • The magician ______ moved the selected card to the top of the deck.
Spell It

Can you spell these 10 commonly misspelled words?

Bee Cubed

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!