This is the 11260th most frequent Russian word.
двухпартийную
Two-party (adjective describing a system or structure with two political parties).
The word 'двухпартийную' (here as 'двухпартийной' due to case changes) describes a system that involves two political parties.
Страна приняла решение перейти к двухпартийной системе.
The country decided to transition to a two-party system.
The word 'двухпартийную' is used to describe a coalition formed by two distinct political parties.
Мы обсуждали двухпартийную коалицию для стабильного управления.
We discussed a two-party coalition for stable governance.
The term 'двухпартийной' occurs here to characterize a type of democracy that operates through two primary political parties.