Standard Lemma guide

enkephalin

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

Any of a group of pentapeptide endorphins that have opiate-like effects

Definition source: English Wiktionary via Wiktextract

Topics: biochemistry, biology, chemistry, microbiology, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

an endorphin having opiate qualities that occurs in the brain and spinal cord and elsewhere

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: endorphin

History

Etymology

From Ancient Greek ἐγκέφαλος (enképhalos, “brain”) + -in.

Across languages

Translations

3 source translations are retained for this English entry.

  • French: enképhaline — Translations
  • Greek: εγκεφαλίνη (egkefalíni) — Translations
  • Italian: encefalina — Translations