exocortex

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noun

A special triple layer in the roots of saprophytic orchids.

Scrabble 25
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Meanings

nounexocortex (plural exocortexes or exocortices)

plural exocortexes · plural exocortices

  1. biologyA special triple layer in the roots of saprophytic orchids.
  2. A hypothetical artificial information-processing system that would augment a brain's biological cognitive processes.

    We will move from the neocortex into an exocortex that will give us a lot more capabilities: a superintelligence, probably.

    2020, Tina Woods, quoting José Cordeiro, Live Longer with AI […] , Packt Publishing Ltd, →ISBN, page 120

Origin

From exo- + cortex. The botanical sense involves the "tree bark" sense of cortex; the neurotechnology sense involves the cerebral cortex sense of cortex.

Full word history & related roots →
Cite this entry
APA

exocortex. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/exocortex

MLA

“exocortex.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/exocortex. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “exocortex,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/exocortex.

Source: exocortex on Wiktionary, CC BY-SA 4.0.