Wiktionary
speleological
a. 1 Pertaining to the exploration of caves; speleology. 2 Concerning the study of caves.
Usage examples of "speleological".
ENT specialists have, at different times, embarked on major speleological expeditions into my nasal passages, but most of them have come back baffled.
Only about a third of the tunnels have been properly measured and documented by the speleological society.
The nauseating smell combined with the speleological hazards nearly made me turn back.