Word.ws English Dictionary

eustacy

eustacy is the alternative spelling of eustasy.

Meaning of eustasy

Noun

eustasy (plural eustasies)

  1. A worldwide change in sea level, especially one caused by melting ice or tectonic activity.
    • The age of the dunal or other deposits, formed on it after the sea had begun to withdraw, in accordance with the theory of glacial eustasy, and which I have named Berardian, is, however, the crucial thing here.1946, The Journal of the Anthropological Institute of Great Britain and Ireland, volumes 76–77, London: The Royal Anthropological Institute of Great Britain and Ireland, →ISSN, →OCLC, page 116...

Forms of eustacy

pluraleustacies

Questions about eustacy

What is eustacy the alternative spelling of?
Eustacy is the alternative spelling of eustasy.

Words near eustacy in the dictionary

  1. eustachian tubes
  2. Eustachian valve
  3. Eustachian valves
  4. eustachitis
  5. eustacies
  6. eustacy
  7. Eustaquio
  8. Eustaquios
  9. eustasies
  10. eustasy
  11. eustathe

Source and license

Adapted from Wiktionary: eustacy (page history and authors); eustasy (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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