Word.ws English Dictionary

Panthalassa

Panthalassa proper noun: the prehistoric ocean surrounding Pangaea.

Proper noun

Panthalassa

  1. The prehistoric ocean surrounding Pangaea.

Synonyms of Panthalassa

Origin of Panthalassa

From pan- + Ancient Greek θάλασσα (thálassa, “sea”).

Questions about Panthalassa

What does Panthalassa mean?
Panthalassa means the prehistoric ocean surrounding Pangaea.
What part of speech is Panthalassa?
Panthalassa is a proper noun.

Words near Panthalassa in the dictionary

  1. pantetheinylated
  2. pantetheinylation
  3. pantethine
  4. Panteutonic
  5. panth
  6. Panthalassa
  7. panthalassan
  8. Panthalassan Ocean
  9. panthalassic
  10. Panthalassic Ocean
  11. panthalassic planet

Source and license

Adapted from Wiktionary: Panthalassa (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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Cite this entry: “Panthalassa.” Word.ws, https://word.ws/panthalassa. Based on Wiktionary, CC BY-SA 4.0.