from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The scientific study of caves.
  • noun Exploration of caves.

from The Century Dictionary.

  • noun The scientific study of caves.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The scientific study of caves.
  • noun The recreational activity of exploring caves.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun the scientific study of caves
  • noun the pastime of exploring caves


from The American Heritage® Dictionary of the English Language, 4th Edition

[French spéléologie : Latin spēlaeum, spēlēum, cave (from Greek spēlaion) + -logie, -logy.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From speleo- + -logy.


  • Research has been conducted on flora, fauna, speleology, geomorphology and geology of both territories.

    Caves of Aggtelek and Slovak Karst, Hungary and Slovakia

  • Just so you know, the geological study of caves on Earth or on the Moon or Mars is called speleology.

    Kaguya Discovers a Lava Tube on the Moon | Universe Today

  • Beltane had once had a small bio-speleology department, but when Yain Takuat had died, there had been no replacement for his specialty.

    Dark Piper

  • More than ever now I wished that the bio-speleology lab had not closed and that I had some reference to what lived naturally in these underground regions.

    Dark Piper

  • It was a favorite sport of us troglodytes-permanent residents were 'trogs'; transients were 'bats' because they flew by night-we trogs liked to go on 'spelling bees', picnics which included a little amateur speleology in the unexplored parts.

    The Past Through Tomorrow

  • In his professional career Willie Stanton was a much respected hydrogeologist, noted for his unrivalled expertise on the geology of the Mendip Hills, for his contribution to the protection of groundwater resources, and for his lifelong dedication to speleology (the study of caves).

    Top stories from Times Online

  • Website visitors interested in speleology will find educational articles on caves and karst, recommended books, DVDs and caving gear, as well as caving resource links and details on how to obtain the new Missouri "The Cave State" license plates.

    The Earth Times Online Newspaper

  • Boomer knew perfectly well what speleology was, since Trevanian's Shibumi, with its cave-exploring protagonist, was his favorite spy novel, but he replied, "Is that a fancy form of fornicatin--or is it something married people can do?

    Skinny Legs and All


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  • The study of caves.

    March 6, 2007