eau de surface

\o də syʁ.fas\

/\o də syʁ.fas\/ noun

The verdict

“eau de surface” is outside the top-ranked French vocabulary, used as a noun - the kind of word writers most often double-check.

Unranked
below top-frequency French
14
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Eau présente à la surface de la Terre, dans les rivières, lacs, étangs, réservoirs ou mers, par opposition à l’eau souterraine contenue dans les aquifères.

Key facts for eau de surface
PropertyValue
Headwordeau de surface
LanguageFrench
Part of speechNoun
IPA\o də syʁ.fas\
Letters14
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “eau de surface” sits in French frequency

eau de surface falls outside the top-100,000 ranked French words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

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

Spelling & Dictionary Insight

The French entry for eau de surface is 14 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as \o də syʁ.fas\. It sits outside the most-frequent rank tiers, which is often why uncommon words generate more spelling variants per reader. The dominant gloss from Wiktionary reads: "Eau présente à la surface de la Terre, dans les rivières, lacs, étangs, réservoirs ou mers, par opposition à l’eau souterraine contenue dans les aquifères.".

Zero misspellings are on record for eau de surface in our index, suggesting the orthography follows predictable French patterns. We don't track a confusable pairing for this entry, since no other headword is close enough in sound or shape to pair with it.

No borrowing history is documented for this entry, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct French form is eau de surface, spelled E-A-U- -D-E- -S-U-R-F-A-C-E.

Definition

  1. 1
    Eau présente à la surface de la Terre, dans les rivières, lacs, étangs, réservoirs ou mers, par opposition à l’eau souterraine contenue dans les aquifères.

Antonyms

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 "eau de surface"?
"eau de surface" is spelled E-A-U- -D-E- -S-U-R-F-A-C-E. The IPA pronunciation is \o də syʁ.fas\.
What does "eau de surface" mean?
As a noun, "eau de surface" means: Eau présente à la surface de la Terre, dans les rivières, lacs, étangs, réservoirs ou mers, par opposition à l’eau souterraine contenue dans les aquifères.
How do you pronounce "eau de surface"?
The IPA (International Phonetic Alphabet) transcription for "eau de surface" is \o də syʁ.fas\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "eau de surface" come from?
"eau de surface" 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.

Using “eau de surface”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct French spelling is E-A-U- -D-E- -S-U-R-F-A-C-E - every other letter order is a misspelling in standard orthography.
  • Say it as \o də syʁ.fas\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more French words and confusable pairs in the same reference. French words
Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list FrequencyWords open word-frequency list