Definitions

1. noun

A higher-level theory or system of theories, especially one that is concerned with the foundations, structure, or methodology of another theory or field of study.

“His work on meta-theory has greatly contributed to the field of philosophy.”

2. noun

A theory or system of theories that is self-referential, meaning it is concerned with its own nature, foundations, or methods.

“The meta-theory of quantum mechanics has led to a deeper understanding of its underlying principles.”