s-cis, s-trans

https://doi.org/10.1351/goldbook.S05508
The spatial arrangement of two conjugated double bonds about the intervening single bond is described as s-cis if @T06406@ and s-@C01092@ if @T06406@. This term should not be applied to other systems such as N-alkyl @A00266@ (use E/Z or sp/ap).
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Source:
PAC, 1996, 68, 2193. (Basic terminology of stereochemistry (IUPAC Recommendations 1996)) on page 2217 [Terms] [Paper]