scientific realism
A philosophical position in the philosophy of science, asserting that scientific theories aim to describe reality and that unobservable entities posited by science genuinely exist.
Scientific realism is the position that scientific theories describe the true nature of the world.
Anti-realism, the opposing view that scientific theories are merely useful instruments rather than true descriptions of reality.
Compound of 科学的 (scientific) + 実在論 (realism). The term is a direct translation of the English philosophical term 'scientific realism'.