encephalon

C2+ Topic:General Vocabulary

US /ɛnˈsɛfəˌlɑn/ UK /ɛnˈsɛfəlɒn/ See IPA manual

Meanings

1

noun
the brain, considered as the contents of the cranium

The encephalon comprises the cerebrum, cerebellum, and brainstem.

Thesaurus

Synonyms

1 noun · the brain, considered as... braincerebrum

Word family

Derived forms encephalic

Related forms encephalitiscephalicencephalogram

Etymology

From Ancient Greek enképhalos ('the brain', literally 'within the head'), from en- ('in') + kephalḗ ('head').

enképhalos Ancient Greek kephalḗ Ancient Greek

View etymology graph ->

Topics

General Vocabulary

External links

# encephalon

**Type:** Word
**Level:** C2+
**Part of speech:** noun
**IPA (US):** /ɛnˈsɛfəˌlɑn/
**IPA (UK):** /ɛnˈsɛfəlɒn/

## Meanings
1. the brain, considered as the contents of the cranium

## Examples
- The encephalon comprises the cerebrum, cerebellum, and brainstem.

## Synonyms
- brain
- cerebrum

## Derived Forms
- encephalic

## Related Forms
- encephalitis
- cephalic
- encephalogram

## Roots and Affixes
- Root: enképhalos
- Root: kephalḗ

## Etymology
From Ancient Greek enképhalos ('the brain', literally 'within the head'), from en- ('in') + kephalḗ ('head').

## AI Etymology
Encephalon comes from Ancient Greek enképhalos ('the brain', literally 'within the head'), from en- ('in') + kephalḗ ('head'). Morphologically, the form is compositional: en- marks part of the visible structure, while the remaining element supplies the lexical base. In present use, it is used as a noun meaning "the brain, considered as the contents of the cranium", so the historical material remains connected with the current sense rather than standing as bare ancestry. The wider English family includes derivatives such as encephalic and related forms such as encephalitis, cephalic, and encephalogram, showing how the same historical material continues to organize neighboring vocabulary. The named historical forms include Ancient Greek enképhalos and Ancient Greek kephalḗ, keeping the history tied to concrete forms rather than a loose resemblance. Its semantic neighborhood includes brain and cerebrum, locating the modern specialization without adding a new origin story.

## Topics
- General Vocabulary

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