1) Process 
Dealignment, in political science, is a trend or process whereby a large portion of the electorate abandons its previous partisan affiliation, without developing a new one to replace it. It is contrasted with realignment. Many scholars argue that the trends in elections in the United States over the last several decades are best characterized as d...
a term used in voting studies to describe the declining probability of members of particular groups (especially classes) voting for a particular party. See also class alignment.
[n] - a process whereby voters are moved toward nonpartisanship thus weakening the structure of political parties
noun a process whereby voters are moved toward nonpartisanship thus weakening the structure of political parties