noun, noun which may take the genitive case particle 'no'
Used in business, HR, and technical contexts to refer to keeping employees, customers, data, or moisture. Often appears in compounds like リテンション率 (retention rate).
この会社は社員のリテンションに力を入れている。
This company focuses on employee retention.
リテンション率を上げるための施策を検討中です。
We are considering measures to improve the retention rate.