dividing
di|vid|ing line (dividing lines)
1 [N-COUNT] usu sing, oft N between pl-n
A dividing line is a distinction or set of distinctions which marks the difference between two types of thing or two groups.
There's a very thin dividing line between joviality and hysteria.
2 [N-SING] oft N between pl-n
The dividing line between two areas is the boundary between them.
...people on both sides of the dividing line between Israel and the occupied territories.
1 [N-COUNT] usu sing, oft N between pl-n
A dividing line is a distinction or set of distinctions which marks the difference between two types of thing or two groups.
There's a very thin dividing line between joviality and hysteria.
2 [N-SING] oft N between pl-n
The dividing line between two areas is the boundary between them.
...people on both sides of the dividing line between Israel and the occupied territories.