Adjoint definition

(mathematics) A matrix in which each element is the cofactor of an associated element of another matrix.
noun
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(mathematics) Used in several situations with a meaning similar to helping.
adjective
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(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.
noun
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An assistant mayor of a French commune.
noun
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Other Word Forms

Noun

Singular:
adjoint
Plural:
adjoints