object A thing.
object class See class (second definition).
object ID A pointer, q.v.
object modeling See semantic modeling.
object oriented / object orientation Leaning toward things.
object/relational database A relational database (see object/relational DBMS).
object/relational DBMS A relational DBMS. Note: In practice, the major distinction between commercial DBMSs that provide "object/relational" support and those that don't is simply that the former allow users to define their own types. But a true relational DBMS does so too, and a DBMS that doesn't provide such support thus can't reasonably claim to be fully relational, even if it supports other aspects of the relational model. The fact is, the term object/relational is little ...