speleology
spe·leo·logy
noun
1.
the scientific study of caves
2.
the pastime of exploring caves
Origin
From French spéléologie, coined by Émile Rivière in 1890. The word can be broken down as speleo- + -logy.
Related words
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.