hélicoïdal

\e.li.kɔ.i.dal\

/\e.li.kɔ.i.dal\/ adj

The verdict

“hélicoïdal” is uncommon French (frequency #90,813 among 1,969 “H” headwords), classed as an adjective. The kind of spelling people second-guess.

#90,813
frequency rank, French
1,969
“H” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - En forme d’hélice, disposé en hélice, en colimaçon.

Corpus desk

Index FR-helicoidal · hélicoïdal · French

hélicoïdal · rank #90,813 · 0 variants · 0 confusables

  • FREQ-RARE #90,813
  • LEN-MEGA 10 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 1,969
  • PHOTO-FINISH Héphaïstos

Nearest frequency peer: Héphaïstos (+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 « hélicoïdal »

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for hélicoïdal
PropertyValue
Headwordhélicoïdal
LanguageFrench
Part of speechAdjective
IPA\e.li.kɔ.i.dal\
Letters10
Frequency rank#90,813
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « hélicoïdal » en français

De gauche à droite: le peu qui porte la parole quotidienne, puis la longue queue quasi invisible.hélicoïdaltombe dans cette queue de rareté:

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

Les tics avancent en logarithme; chacun est de l'ordre de dix fois plus rare. Voisins rares de la même bande: « Héphaïstos » (#90,814), « hurluberlu » (#90,811), « Héraclée » (#90,815). Parmi 1,969 lemmes en « H », « hélicoïdal » est au #90,813. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

hélicoïdal is uncommon French at frequency #90,813 among 1,969 “H” headwords, classed as anadjective, transcribed \e.li.kɔ.i.dal\. Rarity is why readers land here mid-draft. 2 senses are on record.

We couldn't generate a plausible misspelling set for hélicoïdal, since its letter pattern doesn't lend itself to common typo substitutions. We don't track a confusable pairing for this entry, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

This headword's origin isn't recorded in our source data, 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 hélicoïdal, spelled H-É-L-I-C-O-Ï-D-A-L.

Definition

  1. 1
    En forme d’hélice, disposé en hélice, en colimaçon.
  2. 2
    Formé de la combinaison d’une translation et d’une rotation autour d’un axe.

Recorded use

Wiktionary examples

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

  1. Les trous seront effectués à la tarière hélicoïdale ou à la barre à mine avec comme objectif d’enfoncer la tige à 1 mètre de profondeur.
  2. Enfin, derrière un battant, nous manquons de chuter dans un escalier hélicoïdal qui plonge vers une cave.

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 "hélicoïdal"?
"hélicoïdal" is spelled H-É-L-I-C-O-Ï-D-A-L. The IPA pronunciation is \e.li.kɔ.i.dal\.
What does "hélicoïdal" mean?
As an adjective, "hélicoïdal" means: En forme d’hélice, disposé en hélice, en colimaçon.
How do you pronounce "hélicoïdal"?
The IPA (International Phonetic Alphabet) transcription for "hélicoïdal" is \e.li.kɔ.i.dal\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "hélicoïdal" come from?
"hélicoïdal" is a French word. PlainSpell covers definitions, pronunciations, and spelling data across English, Spanish, Portuguese, French, and German.
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 "hélicoïdal", not the corpus desk frequency band.

Same letter count

Frequency-ranked French headwords with 10 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list