excitotoxicity

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noun

The continuous stimulation of a nerve cell by a neurotransmitter, especially by glutamates

OriginEnglish toxicity ← French toxique ← Latin toxicu →
RareScrabble 35
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Meanings

nounexcitotoxicity (uncountable)
  1. uncountableThe continuous stimulation of a nerve cell by a neurotransmitter, especially by glutamates

Synonyms & antonyms

Also see
excitoneurotoxicityneuroexcitotoxicity

Origin

  1. Englishexcito-
  2. Ancient Greekτόξον (tóxon)
  3. Ancient Greekτοξῐκός (toxĭkós)
  4. Ancient Greekτοξικόν (toxikón)
  5. Latintoxicum
  6. Latintoxicu
  7. Frenchtoxique
  8. Englishtoxic
  9. Englishtoxicity
  10. Englishexcitotoxicity

From excito- + toxicity.

Full word history & related roots →
Cite this entry
APA

excitotoxicity. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/excitotoxicity

MLA

“excitotoxicity.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/excitotoxicity. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “excitotoxicity,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/excitotoxicity.

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