ad·​ju·​gate | \ ˈa-jə-gət How to pronounce adjugate (audio) \
plural adjugates

Definition of adjugate

: the mathematical transpose of a matrix in which each element is replaced by its cofactor O. [T]aussky used an equivalent form of this fact to obtain a factorization of the adjugate of a matrix … and a result on commutativity … . Here we use it to prove the Cayley-Hamilton theorem and some new theorems.— William Watkins, American Mathematical Monthly, April 1975 — compare adjoint sense 1

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!

First Known Use of adjugate

1882, in the meaning defined above

History and Etymology for adjugate

derivative of adjugate, adjective, “related by a process of transposition,” borrowed from Latin adjugāre “to join, attach,” from ad- ad- + jugāre “to fasten, bind, marry,” derivative of jugum “yoke”

Keep scrolling for more

Learn More about adjugate

Time Traveler for adjugate

Time Traveler

The first known use of adjugate was in 1882

See more words from the same year

Statistics for adjugate

Cite this Entry

“Adjugate.” Dictionary, Merriam-Webster, Accessed 8 Jul. 2020.

Comments on adjugate

What made you want to look up adjugate? 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

A More Exception(al) Quiz

  • hot dog  hot dog  hot dog  hot dog cat
  • Which of the following words is not a synonym for ‘a young person’?
Spell It

Can you spell these 10 commonly misspelled words?


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!