This is the 283rd most frequent French word.
capacité
The ability or capacity to do something; potential; capability.
Here, 'capacité' refers to the ability or capability of a machine to perform a specific function.
Cette machine a la capacité de produire 500 unités par heure.
This machine has the capacity to produce 500 units per hour.
'Capacité' in this sentence indicates the amount something can contain.
Le réservoir a une capacité de dix litres.
The tank has a capacity of ten liters.
In this case, 'capacité' describes someone's aptitude or skill in doing something.