caloporteur

\ka.lɔ.pɔʁ.tœʁ\

/\ka.lɔ.pɔʁ.tœʁ\/ noun

The verdict

“caloporteur” is uncommon French (frequency #92,516 among 8,609 “C” headwords), classed as a noun. The kind of spelling people second-guess.

#92,516
frequency rank, French
8,609
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Fluide circulant dans le cœur d’un réacteur nucléaire pour en évacuer la chaleur.

Corpus desk

Index FR-caloporteur · caloporteur · French

caloporteur · rank #92,516 · 0 variants · 0 confusables

  • FREQ-RARE #92,516
  • LEN-MEGA 11 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 8,609
  • PHOTO-FINISH calculera

Nearest frequency peer: calculera (-1 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 « caloporteur »

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 « caloporteur » se situe face à des rangs français aussi rares.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for caloporteur
PropertyValue
Headwordcaloporteur
LanguageFrench
Part of speechNoun
IPA\ka.lɔ.pɔʁ.tœʁ\
Letters11
Frequency rank#92,516
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « caloporteur » en français

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

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

L'axe est logarithmique: chaque tic marque environ dix fois moins de fréquence. Voisins rares de la même bande: « calculera » (#92,515), « calvaires » (#92,517), « calcification » (#92,514). Parmi 8,609 lemmes en « C », « caloporteur » est au #92,516. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

caloporteur is uncommon French at frequency #92,516 among 8,609 “C” headwords, classed as anoun, transcribed \ka.lɔ.pɔʁ.tœʁ\. Rarity is why readers land here mid-draft. Gloss: "Fluide circulant dans le cœur d’un réacteur nucléaire pour en évacuer la chaleur.".

No generated misspelling entries exist for caloporteur in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. We don't track a confusable pairing for this entry, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

No explicit etymology string is stored for this entry, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct French form is caloporteur, spelled C-A-L-O-P-O-R-T-E-U-R.

Definition

  1. 1
    Fluide circulant dans le cœur d’un réacteur nucléaire pour en évacuer la chaleur.

Synonyms

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); 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 "caloporteur"?
"caloporteur" is spelled C-A-L-O-P-O-R-T-E-U-R. The IPA pronunciation is \ka.lɔ.pɔʁ.tœʁ\.
What does "caloporteur" mean?
As a noun, "caloporteur" means: Fluide circulant dans le cœur d’un réacteur nucléaire pour en évacuer la chaleur.
How do you pronounce "caloporteur"?
The IPA (International Phonetic Alphabet) transcription for "caloporteur" is \ka.lɔ.pɔʁ.tœʁ\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "caloporteur" come from?
"caloporteur" 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 "caloporteur", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 11 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list