Looking for the meaning or definition of the word adjoint? Here's what it means.
Adjective
(mathematics) Used in certain contexts, in each case involving a pair of transformations, one of which is, or is analogous to, conjugation (either inner automorphism or complex conjugation).
(mathematics) That is related to another functor by an adjunction.
(geometry, of one curve to another curve) Having a relationship of the nature of an adjoint (adjoint curve); sharing multiple points with.
Noun
(mathematics) The transpose of the cofactor matrix of a given square matrix.
(mathematics) A functor related to another functor by an adjunction.
(geometry, algebraic geometry) A curve A such that any point of a given curve C of multiplicity r has multiplicity at least r–1 on A. Sometimes the multiple points of C are required to be ordinary, and if this condition is not satisfied the term sub-adjoint is used.