Type: Term Pronunciation: kwis′kwa-lāt Definitions: 1. An agonist at glutamate receptors of the amino-3-hydroxy-5-methyl-isoxazole-4-propionic acid (AMPA) type. The anion formed when quisqualic acid is dissolved in water. See: quisqualic acid Found on http://www.medilexicon.com/medicaldictionary.php?t=74716