excitotoxic

ex·ci·to·tox·ic

adj \ik-ˌsīt-ə-ˈtäk-sik\

Definition of EXCITOTOXIC

: being, involving, or resulting from the action of an agent that binds to a nerve cell receptor, stimulates the cell, and damages it or causes its death <excitotoxic damage to cortical interneurons—R. C. Collins et al>

—ex·ci·to·tox·ic·i·ty \-(ˌ)täk-ˈsis-ə-tē\ noun, plural ex·ci·to·tox·ic·i·ties