REB

\ɛ.ʁø.be\

/\ɛ.ʁø.be\/ noun

The verdict

“REB” is uncommon French (frequency #67,823 among 5,742 “R” headwords), classed as a noun. The kind of spelling people second-guess.

#67,823
frequency rank, French
5,742
“R” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Abréviation de réacteur à eau bouillante.

Corpus desk

Index FR-reb · REB · French

REB · rank #67,823 · 0 variants · 0 confusables

  • FREQ-RARE #67,823
  • LEN-MID 3 letters
  • VOW-1 1 vowel
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,742
  • PHOTO-FINISH rappellerons

Nearest frequency peer: rappellerons (-2 rank slots)

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.

Rangs de longue queue près de « REB »

Bande clairsemée: les barres inversent le rang pour que le rare se lise plus court

corpus weight

What this shows Vue de longue queue: où « REB » se situe face à des rangs français aussi rares.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for REB
PropertyValue
HeadwordREB
LanguageFrench
Part of speechNoun
IPA\ɛ.ʁø.be\
Letters3
Frequency rank#67,823
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « REB » en français

Cette échelle va du noyau du français courant (gauche) jusqu'à la traîne des formes rares (droite).REBtombe dans cette queue de rareté:

#1#100#1K#10K#100K
← used constantlyrarely used →

L'échelle est logarithmique (chaque tic ≈ 10× plus rare). Voisins rares de la même bande: « rappellerons » (#67,821), « rappellerais » (#67,820), « recht » (#67,826). Parmi 5,742 lemmes en « R », « REB » est au #67,823. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

REB is uncommon French at frequency #67,823 among 5,742 “R” headwords, classed as anoun, transcribed \ɛ.ʁø.be\. Rarity is why readers land here mid-draft. 2 senses are on record.

We couldn't generate a plausible misspelling set for REB, and the word's spelling is regular enough that our generator found nothing worth flagging. No confusable counterpart is on file for this word, a sign it's visually distinctive enough not to be mixed up with another word.

No documented word history exists 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 REB, spelled R-E-B.

Definition

  1. 1
    Abréviation de réacteur à eau bouillante.
  2. 2
    Risque épidémique et biologique.

Recorded use

Wiktionary example

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

  1. La pression primaire de fonctionnement d'un REB est sensiblement moitié moindre que celle d'un REP (typiquement 70 à 80 bar, comparé à 155 à 160 bar). La température de fonctionnement d'un REB est inférieure de 25 à 30 °C par rapport à celle d'un REP au niveau du circuit primaire dans son ensemble.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 French corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "REB"?
"REB" is spelled R-E-B. The IPA pronunciation is \ɛ.ʁø.be\.
What does "REB" mean?
As a noun, "REB" means: Abréviation de réacteur à eau bouillante.
How do you pronounce "REB"?
The IPA (International Phonetic Alphabet) transcription for "REB" is \ɛ.ʁø.be\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "REB" come from?
"REB" is a French word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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.

Similar French words by spelling shape

Same letter count and similar misspelling depth for "REB", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 3 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list