Sameness, identicalness; the quality or fact of (several specified things) being the same.

plural of identical

(philosophy) The doctrine that states of the mind and states of the brain are identical.

(usually pluralized, chiefly philosophy) Something which has exactly the same properties as something else. / An identical twin.

(not comparable) Bearing full likeness by having precisely the same set of characteristics; indistinguishable.

plural of identity

In an identical manner. / (mathematics) In terms of an identity.

(obsolete) Identical.

(Now chiefly dialectal, Northern England, Scotland) Diligent; persistent.

Identification. / (radio, television) A brief audio or audiovisual sequence serving to identify the broadcaster.