A compound or structure containing two benzene rings fused or connected together in a specific chemical arrangement.
From 'benzo-' (benzene) + 'bis-' (Latin for 'twice'). Used in chemical nomenclature to indicate double benzene ring incorporation.
The 'bis' prefix is chemistry's way of saying 'double'—benzobis compounds have two benzene rings partnered up, which often gives them special properties like increased stability or new biological activities.
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