# adjoint

Adjective

(*not comparable*)

- (mathematics) used in several situations with a meaning similar to helping

Noun

(*plural* adjoints)

- (mathematics) A matrix in which each element is the cofactor of an associated element of another matrix.
- (geometry) A curve such that any point of another curve
*C*of multiplicity*r*has multiplicity at least*r*–1 on the adjoint. Sometimes the multiple points of*C*are required to be ordinary, and if this condition is not satisfied the term "sub-adjoint" is used. - An assistant mayor of a French commune.

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**APA Style**

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