plural of open relationship

A romantic and/or sexual relationship in which the people involved are permitted or tolerated to be available to have additional simultaneous romantic and/or sexual relationships.

Of or pertaining to relationism.

plural of relationist

A subscriber to relationism. / (obsolete) A relative; a relation.

(philosophy) The doctrine that relations between things have a real existence.

Resembling or characteristic of a relation.

plural of entity-relationship diagram

an abstract conceptual representation of structured data

(data modeling) A graphical representation of entities and their relationships to each other in a conceptual data model.