Japanese edit

For pronunciation and definitions of きがく – see the following entries.
器楽
[noun] instrumental music
気学
[noun] kigaku: a form of fortune-telling based on Chinese twelve year zodiac cycle calendar and the five traditional elements of wood, fire, earth, metal, and water.
[noun] (engineering, uncommon) pneumatics (as a subject of study)
(This term, きがく, is the hiragana spelling of the above terms.)

(The following entry is uncreated: 貴学.)