partition  
 noun uk/pɑːˈtɪʃ.ən/ us/pɑːrˈtɪʃ.ən/
  (DIVIDING STRUCTURE)      
  [ C ]隔墙,隔板 
a vertical structure like a thin wall that separates one part of a room or building from another
  The partitions between the toilets were very thin. 厕所间的隔板很薄。 
   (NATIONAL DIVISION)      
 [ U ](国家的)分割,分裂,分治 
the dividing of a country into separate countries or areas of government
  The partition of India occurred in 1947. 印度在1947年发生分裂。 
 partition  
verb [ T ] uk/pɑːˈtɪʃ.ən/ us/pɑːrˈtɪʃ.ən/
  (DIVIDE ROOM)      
  分隔,隔开
to divide one part of a room from another with a thin wall
  Why don't you partition that large room into a lounge and a dining-room? 你为什么不把那个大房间隔成客厅和饭厅呢? 
   (DIVIDE COUNTRY)      
 (国家的)分割,分裂,分治
to divide a country into separate areas of government
  Ireland was partitioned in 1921. 爱尔兰在1921年出现分裂。