ad·​joint ˈa-ˌjȯint How to pronounce adjoint (audio)
: the transpose of a matrix in which each element is replaced by its cofactor

Word History


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

First Known Use

1858, in the meaning defined above

Time Traveler
The first known use of adjoint was in 1858

Dictionary Entries Near adjoint

Cite this Entry

“Adjoint.” Dictionary, Merriam-Webster, Accessed 24 Apr. 2024.

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