physical sciences; natural sciences
Philosophical term referring to the study of the physical, material world, as opposed to metaphysical studies. Often contrasted with 形而上学 (けいじじょうがく, metaphysics).
The physical sciences study natural phenomena based on observation and experimentation.
彼は形而下学よりも形而上学に興味を持っている。
He is more interested in metaphysics than in the physical sciences.