méthionine

\me.tjo.nin\

/\me.tjo.nin\/ noun

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“méthionine” is uncommon French (frequency #89,957 among 202,672 “M” headwords), classed as a noun. The kind of spelling people second-guess.

#89,957
frequency rank, French
202,672
“M” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Acide aminé soufré non polaire (acide 2-amino-4-(méthylsulfanyl)butanoïque) qui joue un rôle critique dans la reproduction, la survie cellulaire, la méthylation des protéines et de l'ADN.

Corpus desk

Index FR-methionine · méthionine · French

méthionine · rank #89,957 · 0 variants · 0 confusables

  • FREQ-RARE #89,957
  • LEN-MEGA 10 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 202,672
  • PHOTO-FINISH méridiennes

Nearest frequency peer: méridiennes (-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.

Frequency neighbourhood for “méthionine”

Lower corpus rank = more everyday usage (inverted bar length for readability)

corpus weight

What this shows Bars show where “méthionine” sits against the nearest ranked French headwords in the FrequencyWords band, not a reprint of letter-browse containment.

Source FrequencyWords open word-frequency list As of May 6, 2026
Key facts for méthionine
PropertyValue
Headwordméthionine
LanguageFrench
Part of speechNoun
IPA\me.tjo.nin\
Letters10
Frequency rank#89,957
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “méthionine” sits in French frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). méthionine lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Rare enough to double-check

méthionine is uncommon French at frequency #89,957 among 202,672 “M” headwords, classed as anoun, transcribed \me.tjo.nin\. Rarity is why readers land here mid-draft. Gloss: "Acide aminé soufré non polaire (acide 2-amino-4-(méthylsulfanyl)butanoïque) qui joue un rôle critique dans la reproduction, la survie cellulaire, la méthylation des protéines et de l'ADN.".

The misspelling generator found no plausible variants for méthionine, a sign its spelling follows regular French conventions. We don't track a confusable pairing for this entry, since its spelling is unusual enough that it doesn't cluster with a lookalike.

No explicit etymology string is stored for this entry, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct French form is méthionine, spelled M-É-T-H-I-O-N-I-N-E.

Definition

  1. 1
    Acide aminé soufré non polaire (acide 2-amino-4-(méthylsulfanyl)butanoïque) qui joue un rôle critique dans la reproduction, la survie cellulaire, la méthylation des protéines et de l'ADN.

Recorded use

Wiktionary examples

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

  1. Les protéines, en particulier trois des huit acides aminés essentiels (la lysine, la méthionine et le tryptophane), sont contenues en belle quantité dans le jaune d’œuf et les poissons gras (sardine, anchois, hareng…), en priorité, puis les volailles sans leur peau, les viandes maigres, les céréales complètes et les légumes secs, ainsi que les yaourts nat…
  2. Il se montre plus généreux en protéines dont des acides aminés soufrés (méthionine et cystine) que la plupart des légumes.

This word in other languages

methionine(English)metionina(Español)Methionin(Deutsch)

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.

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 May 6, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "méthionine"?
"méthionine" is spelled M-É-T-H-I-O-N-I-N-E. The IPA pronunciation is \me.tjo.nin\.
What does "méthionine" mean?
As a noun, "méthionine" means: Acide aminé soufré non polaire (acide 2-amino-4-(méthylsulfanyl)butanoïque) qui joue un rôle critique dans la reproduction, la survie cellulaire, la méthylation des protéines et de l'ADN.
How do you pronounce "méthionine"?
The IPA (International Phonetic Alphabet) transcription for "méthionine" is \me.tjo.nin\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "méthionine" come from?
"méthionine" 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 "méthionine", not the corpus desk frequency band.

Same letter count

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

Nibelungen#89,969numérateur#89,975obtiendrai#89,980palmeraies#89,999
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