rigid designator

English - English

Definition of rigid designator in English English dictionary

a name or description which designates the same object in every possible world

a subject term designating the same object in all different possible situations (or possible worlds) in which the object exists, so long as the meaning of the term is held constant A non-rigid designator with constant meaning can designate different objects in different possible situations (or possible worlds)

Hyphenation

rig·id des·ig·na·tor