speleology
1. the scientific study of caves • Syn: spelaeology • Derivationally related forms: spelaeologist (for: spelaeology), speleologist • Hypernyms: geology 2. the pastime of exploring caves • Syn: spelaeology • Derivationally related forms: spelaeologist (for: spelaeology), speleologist • Hypernyms: avocation, by-line, hobby, pursuit, sideline, spare-time activity
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