Used in academic or technical contexts to describe something related to the natural sciences, especially physics, chemistry, or medicine. Often contrasts with 工学的 (engineering) or 医学的 (medical).
This phenomenon needs to be analyzed from a scientific perspective.
He developed a new treatment method using his scientific knowledge.
工学的 refers to engineering or applied science, while 理学的 refers to pure or natural science.
physical findings; physical examination findings
Derived from 理学 (りがく, 'natural science') + 的 (てき, adjectival suffix). The term 理学 historically referred to physics and natural philosophy, and the suffix 的 forms an adjectival noun meaning 'pertaining to natural science'.