1. the acts or processes of keeping or holding something
Usage: plural of retention
2. the abilities to remember information or experiences
Usage: psychology; education
3. the acts of keeping employees from leaving a company
Usage: business; human resources

Examples

• The company improved employee retentions by offering better benefits.
• Student retentions of vocabulary words varied significantly.
• The school tracked retentions of students from year to year.
• Memory retentions decline with age in some individuals.
• The firm’s retentions of top talent exceeded industry averages.
• Water retentions in the soil depend on clay content.