breakdown

breakdown /ˈbreɪkˌdaʊn/ noun
plural breakdowns
breakdown
/ˈbreɪkˌdaʊn/
noun
plural breakdowns
Britannica Dictionary definition of BREAKDOWN
1 
: a failure of a machine to function : an occurrence in which a machine (such as a car) stops working
[count]
[noncount]
2 
a  [count] : the failure of a relationship or of an effort to discuss something
b  : a failure that prevents a system from working properly
[count]
[noncount]
3 
[count] : a sudden failure of mental or physical health that makes someone unable to live normally
— see also nervous breakdown
4 
: the process or result of showing the different parts of something in order to understand it more clearly
[count]
[noncount]
5 
[noncount] : the process or result of separating a substance into simpler parts
— see also break down at 1break