Word.ws English Dictionary

'tweenbrain

'tweenbrain noun: synonym of diencephalon.

Noun

'tweenbrain (plural 'tweenbrains)

  1. (dated) Synonym of diencephalon.
    • Deep within the brain is a biologically ancient section called the diencephalon or tweenbrain.1931, Medicine: Tweenbrain & Stomach
    • The brainstem constituents include the medulla oblongata, pons varolii, midbrain, and tweenbrain.2007, Robb S. Rehberg, Sports Emergency Care: A Team Approach
    Synonyms:
    diencephalon

Synonyms of 'tweenbrain

Forms of 'tweenbrain

plural'tweenbrains
alternative formbetweenbrain
alternative formtweenbrain
alternative form'tween-brain
alternative formtween-brain

Origin of 'tweenbrain

From 'tween + brain.

Questions about 'tweenbrain

What does 'tweenbrain mean?
'tweenbrain means synonym of diencephalon.
What part of speech is 'tweenbrain?
'tweenbrain is a noun.
What is the plural of 'tweenbrain?
The plural of 'tweenbrain is 'tweenbrains.

Words near 'tweenbrain in the dictionary

  1. 'tween
  2. 'tween deck
  3. 'tween decks
  4. 'tweenager
  5. 'tweenagers
  6. 'tweenbrain
  7. 'tweenbrains
  8. 'tweened
  9. 'tweening
  10. 'tweens
  11. 'twere

Source and license

Adapted from Wiktionary: 'tweenbrain (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “'tweenbrain.” Word.ws, https://word.ws/%27tweenbrain. Based on Wiktionary, CC BY-SA 4.0.