speleology

柯林斯英漢雙解大詞典

speleology (also spelaeology)

1.N the scientific study of caves, esp in respect of their geological formation, flora and fauna, etc (關於其地質構成、植物和動物羣系等的)洞穴學 ^[1] 

physical speleology[地理] 天然洞穴學

Mountaineering and speleology equipment 登山和洞穴探險用具

ancient speleology study 古代洞穴研究

international union of speleology 國際洞穴學聯合會

Vernal Pool Biology Speleology 洞穴學 ^[1]