Test Your Vocabulary

Take Our 10-Question Quiz

Name That Thing

Take our visual vocab quiz

Test Your Knowledge »

True or False?

A quick quiz about stuff worth knowing

Take It Now »

Join Us on FB & Twitter

Get the Word of the Day and More

Facebook | Twitter

excitotoxin


ex·ci·to·tox·in

noun \ik-ˈsīt-ə-ˌtäk-sən\

Definition of EXCITOTOXIN

: an excitotoxic agent (as kainic acid)