共きょう役やく二に重じゅう結けつ合ごう

noun

conjugated double bond

Chemistry term referring to alternating single and double bonds in a molecule, allowing electron delocalization.

• 共きょう役やく二に重じゅう結けつ合ごうを持もつ分ぶん子しは、紫し外がい線せんを吸きゅう収しゅうしやすい。

  Molecules with conjugated double bonds tend to absorb ultraviolet light.