infrason
\ɛ̃.fʁa.sɔ̃\
The verdict
“infrason” is uncommon French (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.
- Unranked
- below top-frequency French
- 8
- letters
According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Son dont la fréquence est inférieure à 20 Hz, donc trop grave pour être perçu par l’oreille humaine.
Corpus desk
Index FR-infrason · infrason · French
infrason · unranked · 0 variants · 0 confusables
- FREQ-UNRANKED Unranked
- LEN-LONG 8 letters
- VOW-3 3 vowels
- CONFUS-0 No pairs
- VAR-0 0 variants
- BOOK-THIN "I" 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.
| Property | Value |
|---|---|
| Headword | infrason |
| Language | French |
| Part of speech | Noun |
| IPA | \ɛ̃.fʁa.sɔ̃\ |
| Letters | 8 |
| Misspellings tracked | 0 |
| Confusable pairs | 0 |
| Source | Wiktionary (kaikki.org) |
Longue queue: rang de « infrason » en français
Rare enough to double-check
infrason is uncommon French outside the top frequency list, classed as anoun, transcribed \ɛ̃.fʁa.sɔ̃\. Rarity is why readers land here mid-draft. Gloss: "Son dont la fréquence est inférieure à 20 Hz, donc trop grave pour être perçu par l’oreille humaine.".
No misspelling variants are generated for infrason in our index, which points to an orthography that plays by predictable French rules. Our confusable-pair dataset has no match for it, which tends to mean the word is visually distinctive enough to stand on its own.
Wiktionary doesn't record an etymology for this headword, 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 infrason, spelled I-N-F-R-A-S-O-N.
Definition
- 1Son dont la fréquence est inférieure à 20 Hz, donc trop grave pour être perçu par l’oreille humaine.
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.