retention   (Sound)

The retention has 3 Senses.

• retention, holding, keeping
• 保持, 保有, 保つこと
• the act of retaining something
• 何かを保持すること

• retention, memory, retentiveness, retentivity
• 物覚, 物おぼえ, 記憶力, 覚, 覚え, 物覚え, 憶え, 憶
• the power of retaining and recalling past experience; "he had a good memory when he was younger"
• 過去の経験を保持し思い出すことができる力

• retention, retentiveness, retentivity
• 保持
• the power of retaining liquid; "moisture retentivity of soil"
• 流体を保持する力