déméthylation

\de.me.ti.la.sjɔ̃\

/\de.me.ti.la.sjɔ̃\/ noun

The verdict

“déméthylation” is uncommon French (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency French
13
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Disparition, suppression d'un radical méthyle d'un composé organique.

Corpus desk

Index FR-demethylation · déméthylation · French

déméthylation · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 13 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "D" 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 déméthylation
PropertyValue
Headworddéméthylation
LanguageFrench
Part of speechNoun
IPA\de.me.ti.la.sjɔ̃\
Letters13
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “déméthylation” sits in French frequency

déméthylation falls outside the top-100,000 ranked French words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

déméthylation is uncommon French outside the top frequency list, classed as anoun, transcribed \de.me.ti.la.sjɔ̃\. Rarity is why readers land here mid-draft. Gloss: "Disparition, suppression d'un radical méthyle d'un composé organique.".

No generated misspelling entries exist for déméthylation in our index, a straightforward case of a spelling with little room for common typos. Our dataset records no confusable match here, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

This entry carries no recorded etymology, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct French form is déméthylation, spelled D-É-M-É-T-H-Y-L-A-T-I-O-N.

Definition

  1. 1
    Disparition, suppression d'un radical méthyle d'un composé organique.

Recorded use

Wiktionary example

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

  1. L’accumulation de plusieurs stérones dans le mycélium traité par le fenhexamid indique que sa cible serait la C4-déméthylation. Cette découverte permet donc d’ajouter une nouvelle classe d’inhibiteurs de la biosynthèse des stérols à usages agricoles, à côté notamment de ceux affectant la 14α-déméthylation et la Δ¹⁴ réduction.

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.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 3, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "déméthylation"?
"déméthylation" is spelled D-É-M-É-T-H-Y-L-A-T-I-O-N. The IPA pronunciation is \de.me.ti.la.sjɔ̃\.
What does "déméthylation" mean?
As a noun, "déméthylation" means: Disparition, suppression d'un radical méthyle d'un composé organique.
How do you pronounce "déméthylation"?
The IPA (International Phonetic Alphabet) transcription for "déméthylation" is \de.me.ti.la.sjɔ̃\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "déméthylation" come from?
"déméthylation" 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.

What to do next

You've looked up "déméthylation". Here's where to go from here.

PlainSpell is a reference corpus, not spelling advice. Verify unusual forms in context.

Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

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

Source: FrequencyWords open word-frequency list