trou noir

\tʁu nwaʁ\

/\tʁu nwaʁ\/ noun

The verdict

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

Unranked
below top-frequency French
9
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Objet astronomique, et sa périphérie, où la gravitation est tellement intense que rien ne peut s’en échapper, même pas la lumière.

Key facts for trou noir
PropertyValue
Headwordtrou noir
LanguageFrench
Part of speechNoun
IPA\tʁu nwaʁ\
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “trou noir” sits in French frequency

trou noir 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.

Rare enough to double-check

trou noir is uncommon French outside the top frequency list, classed as anoun, transcribed \tʁu nwaʁ\. Rarity is why readers land here mid-draft. 4 senses are on record.

No generated misspelling entries exist for trou noir in our index, since its letter pattern doesn't lend itself to common typo substitutions. Our confusable-pair dataset has no match for it, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Wiktionary doesn't record an etymology for this headword, 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 trou noir, spelled T-R-O-U- -N-O-I-R.

Definition

  1. 1
    Objet astronomique, et sa périphérie, où la gravitation est tellement intense que rien ne peut s’en échapper, même pas la lumière.
  2. 2
    Cocktail composé de 3/5 de vodka glacée, 2/5 de jus de pomme et un nappage de caramel tiède.
  3. 3
    Routeur qui ne transmet aucun datagramme même s'il en reçoit.
  4. 4
    Un simple orifice tout noir à l’intérieur.

Antonyms

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 "trou noir"?
"trou noir" is spelled T-R-O-U- -N-O-I-R. The IPA pronunciation is \tʁu nwaʁ\.
What does "trou noir" mean?
As a noun, "trou noir" means: Objet astronomique, et sa périphérie, où la gravitation est tellement intense que rien ne peut s’en échapper, même pas la lumière.
How do you pronounce "trou noir"?
The IPA (International Phonetic Alphabet) transcription for "trou noir" is \tʁu nwaʁ\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "trou noir" come from?
"trou noir" 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 “trou noir”

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

  • The one correct French spelling is T-R-O-U- -N-O-I-R - every other letter order is a misspelling in standard orthography.
  • Say it as \tʁu nwaʁ\ (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