(transitive) To be in contact or connection with.

Third-person singular simple present indicative form of adjoin

simple past tense and past participle of adjoin

Being in contact at some point or line; joining to

present participle of adjoin

(obsolete) Contiguous, adjoining.

plural of adjoint

(mathematics) Adjoint to itself. / (functional analysis) Being a Hilbert space operator which is Hermitian and also whose eigenvectors span the entire Hilbert space.

(mathematics) The transpose of the cofactor matrix of a given square matrix. / (mathematics, linear algebra, of a matrix) Transpose conjugate.

(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).