Definition of 理学 (りがく)
りがく
理学
りがく
rigaku
Common word
noun
1.
physical science, natural science
2.
physics
See also:物理学
3.
lixue (Song-era Chinese philosophy)
4.
Related Kanji
| 理 | logic, arrangement, reason, justice, truth |
| 学 | study, learning, science |