breakdown

1. (countable) A failure, particularly one which is mechanical in nature.Examples: "Whenever he was behind the wheel, he would panic at the first sign of a breakdown."; "He declared that these drastic steps would undoubtedly inconvenience a good many people, but the alternative was bankruptcy of the Ulster Transport Authority and the breakdown of public transport services."countable

2. (countable) A failure, particularly one which is mechanical in nature.uncountable

3. (countable) Something, such as a vehicle, that has experienced a mechanical failure.Examples: "We saw a breakdown by the side of the road."countable

4. (uncountable) Separation of a thing into components; decomposition, fragmentation; (countable) an instance of this.Examples: "Looking at the breakdown of the budget, I see a few items we could cut."; "The railways' monopoly had meant that accountancy and record-keeping had been limited to global accounts. In other words, there were only really headline numbers, with little useful breakdown by routes or traffic type."uncountable

5. (uncountable) Separation of a thing into components; decomposition, fragmentation; (countable) an instance of this.uncountable

6. (uncountable) Separation of a thing into components; decomposition, fragmentation; (countable) an instance of this.countable