Standard Lemma guide

encephalon

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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ɛnˈsɛfələn/
  • /ɛnˈsɛfəlɒn/
  • also: /ɪn-/ in US
  • also: /-ˈsɛfəlɑn/ in US
  • also: in US
  • Southern-England: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

The area of central nervous system that includes all higher nervous centers, enclosed within the skull and continuous with the spinal cord; synonym of brain.

Definition source: English Wiktionary via Wiktextract

Topics: anatomy, medicine, neuroanatomy, neurology, neuroscience, sciences

Examples

  • Meronyms: prosencephalon, telencephalon, diencephalon; mesencephalon; rhombencephalon, metencephalon, myelencephalon

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

that part of the central nervous system that includes all the higher nervous centers; enclosed within the skull; continuous with the spinal cord

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: brain

Antonyms: none provided

Broader terms: neural structure

History

Etymology

Learned borrowing from Ancient Greek ἐγκέφαλος (enképhalos, “within the head”), from ἐν (en, “in”) + κεφαλή (kephalḗ, “head”).

Across languages

Translations

13 source translations are retained for this English entry.

  • Basque: entzefalo — brain
  • Bulgarian: мозък (mozǎk) — brain
  • Catalan: encèfal — brain
  • French: encéphale — brain
  • Galician: encéfalo — brain
  • Ido: encefalo — brain
  • Ingrian: pääaivo — brain
  • Italian: encefalo — brain
  • Polish: mózgowie — brain
  • Portuguese: encéfalo — brain
  • Romanian: encefal — brain
  • Spanish: encéfalo — brain
  • Ottoman Turkish: دماغ (dimağ) — brain