0 something that two people or groups cannot agree about:
Money is a common bone of contention in many marriages.
The bone of contention is the section on registration of political parties.
The wording of resolution no. 11 was very tentative, with the bone of contention being the site of the collection station.
One important bone of contention is the definition of the relevant set of studies.
The bone of contention was neither the music, nor the version chosen, nor even the inadequacy of several singers.
The refinery also was a bone of contention.
Again this had been a persistent bone of contention between the board of education and its critics throughout the interwar period.
In addition, another bone of contention soon arose thereafter.
By the late 1930s, stool debts were receding as a bone of contention, but the struggles continued.
