breakdown
n. countable C1 Advanced Oxford US //ˈbɹeɪkˌdaʊn// UK //bɹˈeɪkdaʊn// break·down
n. a failure of a machine or a system to work correctly. It can also mean a detailed list that explains the different parts of something.
n. a failure in the operation of a machine, vehicle, or system; alternatively, an itemised analysis or classification of data into constituent parts.
The car had a breakdown on the highway.
The accountant provided a full breakdown of the project costs to show where the money was spent.
A sudden nervous breakdown can occur when the cumulative stress of professional and personal obligations exceeds an individual's psychological capacity to cope.
Deverbal from break down.
Usage
Often used with the preposition 'of' when referring to a detailed analysis ('a breakdown of costs').