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betweenbrain

[bih-tween-breyn]
noun
  1. the diencephalon.
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Origin of betweenbrain

First recorded in 1930–35; between + brain
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

betweenbrain in Medicine

betweenbrain

(bĭ-twēnbrān′)
n.
  1. diencephalon
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.