Definition of "adjoint" [ad•joint]

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

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• "His adjoint was the Colonel Comte de Mazancourt, his aide-de-camp"
• "_Combat_, signed by the "adjoint" of the 13th arrondissement."
• "The parameter Lambda of gauge transformation in this three-algebra realm have two "adjoint" indices instead of one."