superfluide

noun

The verdict

“superfluide” is uncommon French (outside the top frequency list), classed as a 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) - Fluide qui s’écoule sans frottement, et dont la viscosité est donc nulle.

Corpus desk

Index FR-superfluide · superfluide · French

superfluide · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "S" 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 superfluide
PropertyValue
Headwordsuperfluide
LanguageFrench
Part of speechNoun
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « superfluide » en français

superfluidereste hors des 100.000 mots français les plus fréquents, dans la longue queue du vocabulaire technique, archaïque ou rare, là où le doute d'orthographe frappe.

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

Rare enough to double-check

superfluide is uncommon French outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Fluide qui s’écoule sans frottement, et dont la viscosité est donc nulle.".

No generated misspelling entries exist for superfluide in our index, suggesting the orthography follows predictable French patterns. No close-neighbour confusable shows up for this headword in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.

No borrowing history is documented for this entry, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct French form is superfluide, spelled S-U-P-E-R-F-L-U-I-D-E.

Definition

  1. 1
    Fluide qui s’écoule sans frottement, et dont la viscosité est donc nulle.

Recorded use

Wiktionary example

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

  1. L’hélium 3 liquide est superfluide.

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 "superfluide"?
"superfluide" is spelled S-U-P-E-R-F-L-U-I-D-E.
What does "superfluide" mean?
As a noun, "superfluide" means: Fluide qui s’écoule sans frottement, et dont la viscosité est donc nulle.
What language does "superfluide" come from?
"superfluide" 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