Dioscorides (Dioscor`ides) , a Greek physician, born in Cilicia, lived in the 1st century; left a treatise in 5 books on materia medica, a work of great research, and long the standard authority on the subject.
Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)
Diophantus * Dioscuri