Definition of speleology in English:

speleology

noun

mass noun
  • The study or exploration of caves.

    • ‘His field of expertise is speleology (the study of caves) and karstology (the study of karst lands).’
    • ‘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.’
    • ‘Her interests include archaeology, botany and speleology.’
    • ‘He studied speleology and wrote a book on the work and life of Karel Absolon, discoverer of the Punkva caves near Brno.’

Origin

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

Pronunciation

speleology

/ˌspɛlɪˈɒlədʒi//ˌspiːlɪˈɒlədʒi/