also: アベイラビリティー
noun
Computing term referring to the degree to which a system, service, or resource is accessible and usable when required.
このクラウドサービスは99.99%のアベイラビリティを保証しています。
This cloud service guarantees 99.99% availability.
The native Japanese equivalent, also used in computing contexts but less common than the loanword アベイラビリティ.
Borrowed from English 'availability', used primarily in computing and IT contexts.