Unitary
/juːnɪt(ə)ɹi/
noun
A unitary council.
A unitary matrix or operator.
adjective
Having the quality of oneness.
(of a system of government or administration) That concentrates power in a single body, rather than sharing it with more local bodies.
“a unitary authority”
(of an algebra) That contains an identity element.
Synonyms: unital