Origin: Latin suffix -al
Secobarbital has 2 different meanings across 1 category:
barbiturate that is a white odorless slightly bitter powder (trade name Seconal) used as a sodium salt for sedation and to treat convulsions
A barbiturate C₁₂H₁₈N₂O₃ that is used chiefly in the form of its bitter hygroscopic sodium salt as a hypnotic and sedative.