Chinese edit

For pronunciation and definitions of – see 洞穴學 (“speleology”).
(This term is the simplified form of 洞穴學).
Notes:

Japanese edit

Kanji in this term
どう
Grade: S
けつ
Grade: 6
がく
Grade: 1
on’yomi
Alternative spelling
洞穴學 (kyūjitai)

Noun edit

(どう)(けつ)(がく) (dōketsugaku

  1. speleology