A chemical compound containing a benzene ring fused to a five-membered ring with both sulfur and nitrogen atoms, used in organic chemistry and materials science.
From 'benzo-' (benzene ring) + 'thio-' (sulfur, from Greek theion) + 'diazole' (five-membered ring with two nitrogens). Created in the 19th century as synthetic organic chemistry developed, combining Greek and Latin roots to name a specific molecular structure.
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