テンナイン

noun

ten nines (99.99999999%)

Technical term used in computing and engineering to describe extremely high availability or purity, often in the context of 'five nines' (99.999%) or 'nine nines' reliability.

• このシステムはテンナインの可か用よう性せいを達たっ成せいしている。

  This system achieves ten nines of availability.