Benzbitriazole

/ˌbɛnzbɪˈtraɪəˌzoʊl/ noun

A fused heterocyclic compound containing a benzene ring joined to a triazole ring (a five-membered ring with three nitrogen atoms), used as a corrosion inhibitor and UV stabilizer.

From 'benz-' (benzene) + 'bitriazole' (from 'bi-' meaning two + 'triazole'). This term developed in materials chemistry in the 20th century as engineers needed compounds to protect metals and plastics.

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