Panthalassa

\pɑ̃.ta.la.sa\

/\pɑ̃.ta.la.sa\/ name

The verdict

“Panthalassa” is uncommon French (outside the top frequency list), classed as a proper noun. The kind of spelling people second-guess.

Unranked
below top-frequency French
11
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Océan unique qui existait quand tous les continents étaient agrégés dans la Pangée.

Corpus desk

Index FR-panthalassa · Panthalassa · French

Panthalassa · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "P" thin
  • PHOTO-UNK Peer pending

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for Panthalassa
PropertyValue
HeadwordPanthalassa
LanguageFrench
Part of speechProper noun
IPA\pɑ̃.ta.la.sa\
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « Panthalassa » en français

Panthalassan'entre pas dans le top 100.000 du français: zone de termes techniques, archaïques ou rares.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

Panthalassa is uncommon French outside the top frequency list, classed as aproper noun, transcribed \pɑ̃.ta.la.sa\. Rarity is why readers land here mid-draft. Gloss: "Océan unique qui existait quand tous les continents étaient agrégés dans la Pangée.".

No generated misspelling entries exist for Panthalassa in our index, since its letter pattern doesn't lend itself to common typo substitutions. Our confusable-pair dataset has no match for it, since no other headword is close enough in sound or shape to pair with it.

Wiktionary doesn't record an etymology for this headword, so its spelling is easiest explained by how it's pronounced rather than where it came from. The correct French form is Panthalassa, spelled P-A-N-T-H-A-L-A-S-S-A.

Definition

  1. 1
    Océan unique qui existait quand tous les continents étaient agrégés dans la Pangée.

Recorded use

Wiktionary example

These source excerpts show how Panthalassa appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Il y a environ 300 millions d’années, avant l’arrivée des premiers dinosaures, la Terre ne comptait pas sept continents. Il y avait à la place un seul supercontinent massif appelé Pangée, lui-même entouré d’un unique océan : la Panthalassa.

This word in other languages

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "Panthalassa"?
"Panthalassa" is spelled P-A-N-T-H-A-L-A-S-S-A. The IPA pronunciation is \pɑ̃.ta.la.sa\.
What does "Panthalassa" mean?
As a proper noun, "Panthalassa" means: Océan unique qui existait quand tous les continents étaient agrégés dans la Pangée.
How do you pronounce "Panthalassa"?
The IPA (International Phonetic Alphabet) transcription for "Panthalassa" is \pɑ̃.ta.la.sa\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "Panthalassa" come from?
"Panthalassa" is a French word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list