trional
Tri"o*nal, n. [Pref. tri- + sulphonal; -- so called because it contains three ethyls.] (Chem.) Defn: A compound similar to sulphonal, used as a hypnotic in medicine.
Tri"o*nal, n. [Pref. tri- + sulphonal; -- so called because it contains three ethyls.] (Chem.) Defn: A compound similar to sulphonal, used as a hypnotic in medicine.