epinefrina

[epineˈfɾina]

/[epineˈfɾina]/ noun

The verdict

“epinefrina” is uncommon Spanish (frequency #90,879 among 5,243 “E” headwords), classed as a noun. The kind of spelling people second-guess.

#90,879
frequency rank, Spanish
5,243
“E” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Hormona vasoactiva catecolamínica que secreta la médula adrenal de los mamíferos, movida por el sistema parasimpático, en situaciones de alerta. Estimula el flujo sanguíneo hacia ciertos tejidos mu...

Corpus desk

Index ES-epinefrina · epinefrina · Spanish

epinefrina · rank #90,879 · 0 variants · 0 confusables

  • FREQ-RARE #90,879
  • LEN-MEGA 10 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,243
  • PHOTO-FINISH epitafios

Nearest frequency peer: epitafios (+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.

Rangos de cola larga cerca de “epinefrina”

Banda escasa: las barras invierten el rango para que lo raro se lea más corto

corpus weight

What this shows Vista de cola larga: dónde “epinefrina” se sitúa frente a rangos españoles igualmente raros.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for epinefrina
PropertyValue
Headwordepinefrina
LanguageSpanish
Part of speechNoun
IPA[epineˈfɾina]
Letters10
Frequency rank#90,879
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Cola larga: rango de “epinefrina” en español

La frecuencia va del puñado de palabras que usamos sin parar (izquierda) a la cola larga que apenas aparece (derecha).epinefrinacae en esta cola de rareza:

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

El eje es logarítmico: cada tick marca unas diez veces menos frecuencia. Vecinos raros de la misma franja: “epitafios” (#90,880), “entráis” (#90,877), “equidistantes” (#90,881). Entre 5,243 lemas con “E”, “epinefrina” va en #90,879. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

epinefrina is uncommon Spanish at frequency #90,879 among 5,243 “E” headwords, classed as anoun, transcribed [epineˈfɾina]. Rarity is why readers land here mid-draft. Gloss: "Hormona vasoactiva catecolamínica que secreta la médula adrenal de los mamíferos, movida por el sistema parasimpático, en situaciones de alerta. Estimula el flujo sanguíneo hacia ciertos tejidos mu...".

epinefrina doesn't appear in our generated misspelling index, since its letter sequence doesn't invite the usual edit-distance slips. This entry stands alone in our confusable dataset, since no other headword is close enough in sound or shape to pair with it.

No borrowing history is documented for this entry, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct Spanish form is epinefrina, spelled E-P-I-N-E-F-R-I-N-A.

Definition

  1. 1
    Hormona vasoactiva catecolamínica que secreta la médula adrenal de los mamíferos, movida por el sistema parasimpático, en situaciones de alerta. Estimula el flujo sanguíneo hacia ciertos tejidos musculares e incrementa la cantidad de glucosa en la sangre.

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); frequency ordering uses the FrequencyWords open word-frequency list (2018 Spanish corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "epinefrina"?
"epinefrina" is spelled E-P-I-N-E-F-R-I-N-A. The IPA pronunciation is [epineˈfɾina].
What does "epinefrina" mean?
As a noun, "epinefrina" means: Hormona vasoactiva catecolamínica que secreta la médula adrenal de los mamíferos, movida por el sistema parasimpático, en situaciones de alerta. Estimula el flujo sanguíneo hacia ciertos tejidos mu...
How do you pronounce "epinefrina"?
The IPA (International Phonetic Alphabet) transcription for "epinefrina" is [epineˈfɾina]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "epinefrina" come from?
"epinefrina" is a Spanish 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 Spanish words by spelling shape

Same letter count and similar misspelling depth for "epinefrina", not the corpus desk frequency band.

Same letter count

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

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

Source: FrequencyWords open word-frequency list