adjoint

adjective
UK /ˈædʒɔɪnt/
US /ˈædʒɔɪnt/

Joined to or connected with something else.

The adjoint garden sits right next to the old house.


OTHER MEANINGS

2. In mathematics, a related operation or matrix formed by transposing and taking complex conjugates.

The adjoint of the matrix was used to solve the system of equations.

3. A person or thing that is joined to another as a helper or partner.

She worked as an adjoint to the lead researcher on the project.

4. In grammar, a word or phrase that modifies another element in a sentence.

The adverb acts as an adjoint to the verb in that clause.