Medinal
/ˈmɛdɪn(ə)l/Pharmacology
noun
A barbiturate drug, C8H11N2NaO3, with properties and uses similar to those of barbitone, of which it is the sodium salt.
Origin
Early 20th century; earliest use found in The Trade Marks Journal. Origin uncertain; compare -al. With the ending -nal compare trional, veronal. Originally a trade name.