breakdown
noun
the act of disrupting an established order so it fails to continue
“the social dislocations resulting from government policies”
“his warning came after the breakdown of talks in London”
Synonymsdislocationa mental or physical breakdown
Synonymscrack-up(biology) the process of decay caused by bacterial or fungal action
a cessation of normal operation
“there was a power breakdown”
Synonymsequipment failurean analysis into mutually exclusive categories
Synonymspartitioning
Source: WordNet 3.1, Princeton University
