Definition of speleology in English:

speleology

noun

mass noun
  • The study or exploration of caves.

    • ‘Her interests include archaeology, botany and speleology.’
    • ‘His field of expertise is speleology (the study of caves) and karstology (the study of karst lands).’
    • ‘He studied speleology and wrote a book on the work and life of Karel Absolon, discoverer of the Punkva caves near Brno.’
    • ‘Southeastern Cave Conservancy Inc. was formed to acquire and manage caves for scientific study, education of those persons interested in speleology, and conservation of these resources.’

Origin

Late 19th century from French spéléologie, via Latin from Greek spēlaion ‘cave’.

Pronunciation

speleology

/ˌspiːlɪˈɒlədʒi/ /ˌspɛlɪˈɒlədʒi/