éthylène

\e.ti.lɛn\

/\e.ti.lɛn\/ noun

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

The verdict

“éthylène” is uncommon French (frequency #50,605 among 40,273 “É” headwords), classed as a noun. The kind of spelling people second-guess.

#50,605
frequency rank, French
40,273
“É” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Hydrocarbure insaturé de formule semi-développée CH₂ = CH₂, le plus simple des alcènes.

Key facts for éthylène
PropertyValue
Headwordéthylène
LanguageFrench
Part of speechNoun
IPA\e.ti.lɛn\
Letters8
Frequency rank#50,605
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “éthylène” 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). éthylène 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

éthylène is uncommon French at frequency #50,605 among 40,273 “É” headwords, classed as anoun, transcribed \e.ti.lɛn\. Rarity is why readers land here mid-draft. Gloss: "Hydrocarbure insaturé de formule semi-développée CH₂ = CH₂, le plus simple des alcènes.".

Our edit-distance generator produced no likely misspellings for éthylène, since its letter pattern doesn't lend itself to common typo substitutions. Our dataset records no confusable match here, since its spelling is unusual enough that it doesn't cluster with a lookalike.

This entry carries no recorded etymology, so its spelling pattern is best understood through pronunciation rather than a traceable origin. The correct French form is éthylène, spelled É-T-H-Y-L-È-N-E.

Definition

  1. 1
    Hydrocarbure insaturé de formule semi-développée CH₂ = CH₂, le plus simple des alcènes.

Synonyms

éthèneéthérèneélaylgaz hydrogène percarburégaz oléifianthydrogène carburé lourd

This word in other languages

ethylene(English)Ethen(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.

Frequently Asked Questions

How do you spell "éthylène"?
"éthylène" is spelled É-T-H-Y-L-È-N-E. The IPA pronunciation is \e.ti.lɛn\.
What does "éthylène" mean?
As a noun, "éthylène" means: Hydrocarbure insaturé de formule semi-développée CH₂ = CH₂, le plus simple des alcènes.
How do you pronounce "éthylène"?
The IPA (International Phonetic Alphabet) transcription for "éthylène" is \e.ti.lɛn\. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "éthylène" come from?
"éthylène" 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.

Using “éthylène”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct French spelling is É-T-H-Y-L-È-N-E - every other letter order is a misspelling in standard orthography.
  • Say it as \e.ti.lɛn\ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • Browse more French words and confusable pairs in the same reference. French words

Other uncommon French words near this rank

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