matessuch
Matessuch is a coined term used primarily in speculative philosophy and science fiction worldbuilding to denote entities whose identity, properties, or significance depend on a specific physical substrate. It contrasts with abstract or immaterial entities whose status does not require material realization. The term is not part of standard ontological taxonomy but is used in informal discussions to explore how material context shapes meaning and persistence.
Etymology and usage: The word appears to be a blend of matter and such, and is used
Conceptual role: In ontology and philosophy of science, matessuch is invoked to discuss problems of identity
In speculative fiction and worldbuilding, matessuch constructs allow creators to explore how different materials alter behavior,
See also: ontology, materialism, substrate theory, grounding, philosophical realism.