épsilon

[ˈepsilõn]

/[ˈepsilõn]/ noun

The verdict

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

Unranked
below top-frequency Spanish
7
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Nombre de la ε, quinta letra del alfabeto griego, cuyo sonido es el de una e breve.

Corpus desk

Index ES-epsilon · épsilon · Spanish

épsilon · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 7 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "É" 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 épsilon
PropertyValue
Headwordépsilon
LanguageSpanish
Part of speechNoun
IPA[ˈepsilõn]
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Cola larga: rango de “épsilon” en español

épsilonno entra en el top 100.000 del español: zona de términos técnicos, arcaicos o escasos, el terreno típico de la doble comprobación.

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

Rare enough to double-check

épsilon is uncommon Spanish outside the top frequency list, classed as anoun, transcribed [ˈepsilõn]. Rarity is why readers land here mid-draft. Gloss: "Nombre de la ε, quinta letra del alfabeto griego, cuyo sonido es el de una e breve.".

épsilon doesn't appear in our generated misspelling index, since its letter pattern doesn't lend itself to common typo substitutions. This headword has no recorded confusable partner, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Our source data has no etymology on file for this entry, so spelling patterns must be inferred from the word's phoneme-to-grapheme mapping rather than from a documented borrowing chain. The correct Spanish form is épsilon, spelled É-P-S-I-L-O-N.

Definition

  1. 1
    Nombre de la ε, quinta letra del alfabeto griego, cuyo sonido es el de una e breve.

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 "épsilon"?
"épsilon" is spelled É-P-S-I-L-O-N. The IPA pronunciation is [ˈepsilõn].
What does "épsilon" mean?
As a noun, "épsilon" means: Nombre de la ε, quinta letra del alfabeto griego, cuyo sonido es el de una e breve.
How do you pronounce "épsilon"?
The IPA (International Phonetic Alphabet) transcription for "épsilon" is [ˈepsilõn]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "épsilon" come from?
"épsilon" is a Spanish word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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