alkene

/ælˈkʰin/

//ælˈkʰin// noun

"alkene" is a 6-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
6
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - An unsaturated, aliphatic hydrocarbon with one or more carbon–carbon double bonds.

Corpus desk

Index EN-alkene · alkene · English

alkene · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 6 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "A" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

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 alkene
PropertyValue
Headwordalkene
LanguageEnglish
Part of speechNoun
IPA/ælˈkʰin/
Letters6
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “alkene” in English

alkeneranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

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

Rare enough to double-check

alkene is uncommon English outside the top frequency list, classed as anoun, transcribed /ælˈkʰin/. Rarity is why readers land here mid-draft. Gloss: "An unsaturated, aliphatic hydrocarbon with one or more carbon–carbon double bonds.".

Zero misspellings are on record for alkene in our index, suggesting the orthography follows predictable English patterns. We don't track a confusable pairing for this entry, which typically means the spelling is too distinctive to be mistaken for another word.

This entry carries no recorded etymology, so any spelling logic here comes from how the word's sounds map to letters, not a documented origin story. The correct English form is alkene, spelled A-L-K-E-N-E.

Definition

  1. 1
    An unsaturated, aliphatic hydrocarbon with one or more carbon–carbon double bonds.

Synonyms

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.

Frequently Asked Questions

How do you spell "alkene"?
"alkene" is spelled A-L-K-E-N-E. The IPA pronunciation is /ælˈkʰin/.
What does "alkene" mean?
As a noun, "alkene" means: An unsaturated, aliphatic hydrocarbon with one or more carbon–carbon double bonds.
How do you pronounce "alkene"?
The IPA (International Phonetic Alphabet) transcription for "alkene" is /ælˈkʰin/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "alkene" come from?
"alkene" is a English 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.

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

Source: FrequencyWords open word-frequency list