noun-modifying (irregular)
antibonding; back coupling
Technical term in physics and chemistry describing a molecular orbital that weakens the bond between atoms, or a related coupling phenomenon.
When electrons occupy an antibonding orbital, the bond weakens.
この反結合状態は不安定である。
This antibonding state is unstable.
Compound of 反 (anti-) and 結合 (bonding, coupling), directly corresponding to the English scientific terms 'antibonding' and 'back coupling'.