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English definition of “speleology”

speleology

noun [U]     /ˌspiː.liˈɒl.ə.dʒi/ US  /-ˈɑː.lə-/ specialized
geology the scientific study of caves Caves, cracks and crevices sports the sport of walking and climbing in caves Hiking and orienteering
(Definition of speleology noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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