Defn: Of or pertaining to sulphur; containing or resembling sulphur; specifically, designating certain of the thio compounds; as, the thionic acids. Cf. Dithionic, Trithionic, Tetrathionic, etc.
THIONINE
Thi"on*ine, n. Etym: [Gr. (Chem.)
Defn: An artificial red or violet dyestuff consisting of a complex sulphur derivative of certain aromatic diamines, and obtained as a dark crystalline powder; — called also phenylene violet.
THIONOL
Thi"on*ol, n. Etym: [Thionine + -ol.] (Chem.)
Defn: A red or violet dyestuff having a greenish metallic luster. It is produced artificially, by the chemical dehydration of thionine, as a brown amorphous powder.
THIONOLINE
Thi*on"o*line, n. (Chem.)
Defn: A beautiful fluorescent crystalline substance, intermediate in composition between thionol and thionine.
THIONYL
Thi"on*yl, n. Etym: [Thionic + -yl.] (Chem.)
Defn: The hypothetical radical SO, regarded as an essential constituent of certain sulphurous compounds; as, thionyl chloride.
THIOPHENE
Thi"o*phene, n. Etym: [Thio- + phenyl + -ene.] (Chem.)