quatrillion

\kwa.tʁi.ljɔ̃\

/\kwa.tʁi.ljɔ̃\/ noun

The verdict

“quatrillion” 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) - Variante de quadrillion.

Corpus desk

Index FR-quatrillion · quatrillion · French

quatrillion · 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 "Q" 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 quatrillion
PropertyValue
Headwordquatrillion
LanguageFrench
Part of speechNoun
IPA\kwa.tʁi.ljɔ̃\
Letters11
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Longue queue: rang de « quatrillion » en français

quatrillionreste 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

quatrillion is uncommon French outside the top frequency list, classed as anoun, transcribed \kwa.tʁi.ljɔ̃\. Rarity is why readers land here mid-draft. Gloss: "Variante de quadrillion.".

quatrillion has no tracked misspelling variants, a sign its spelling follows regular French conventions. This headword has no recorded confusable partner, since its spelling is unusual enough that it doesn't cluster with a lookalike.

This entry's etymology isn't recorded, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct French form is quatrillion, spelled Q-U-A-T-R-I-L-L-I-O-N.

Definition

  1. 1
    Variante de quadrillion.

Recorded use

Wiktionary example

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

  1. Mais je savais aussi que vingt lettres seulement peuvent former deux quintillions, quatre cent trente-deux quatrillions, neuf cent deux trillions, huit milliards, cent soixante-seize millions, six cent quarante mille combinaisons.

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 "quatrillion"?
"quatrillion" is spelled Q-U-A-T-R-I-L-L-I-O-N. The IPA pronunciation is \kwa.tʁi.ljɔ̃\.
What does "quatrillion" mean?
As a noun, "quatrillion" means: Variante de quadrillion.
How do you pronounce "quatrillion"?
The IPA (International Phonetic Alphabet) transcription for "quatrillion" is \kwa.tʁi.ljɔ̃\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "quatrillion" come from?
"quatrillion" 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