What does "secobarbital" mean?

A barbiturate C₁₂H₁₈N₂O₃ that is used chiefly in the form of its bitter hygroscopic sodium salt as a hypnotic and sedative.

What is a synonym for "secobarbital"?

Common synonyms include: red devil, secobarbital sodium, seconal.

Pronounced //ˌsɛk.oʊˈbɑɹ.bəˌtɔl//.

/ˌsɛk.oʊˈbɑɹ.bəˌtɔl/ noun

noun ·Rare ·Advanced level

Noun

1
A barbiturate C₁₂H₁₈N₂O₃ that is used chiefly in the form of its bitter hygroscopic sodium salt as a hypnotic and sedative. countable, uncountable
2
barbiturate that is a white odorless slightly bitter powder (trade name Seconal) used as a sodium salt for sedation and to treat convulsions wordnet

Blend of Seconal (trademark) + pentobarbital.