American English

Definition of capacity noun from the Oxford Advanced American Dictionary



    (pl. capacities)
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    of container
  1. 1[uncountable, countable, usually singular] the number of things or people that a container or space can hold The theater has a seating capacity of 2,000. a fuel tank with a capacity of 50 gallons The hall was filled to capacity (= was completely full). They played to a capacity crowd (= one that filled all the space or seats). a hard disk storage capacity of 500 gigabytes
  2. ability
  3. 2[countable, usually singular, uncountable] the ability to understand or to do something intellectual capacity capacity for something She has an enormous capacity for hard work. capacity for doing something Limited resources are restricting our capacity for developing new products. capacity to do something your capacity to enjoy life see also diminished capacity
  4. role
  5. 3[countable, usually singular] the official position or function that someone has synonym role acting in her capacity as manager We are simply involved in an advisory capacity on the project.
  6. of factory/machine
  7. 4[singular, uncountable] the quantity that a factory, machine, etc. can produce The factory is working at full capacity.
  8. of engine
  9. 5[countable, uncountable] the size or power of a piece of equipment, especially the engine of a vehicle an engine with a capacity of 1,600 cc
See the Oxford Advanced Learner's Dictionary entry: capacity

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