Retention - definition of retention by The Free Dictionary The act of retaining or the condition of being retained: the retention of nutrients in the soil; the retention of jobs in the city 2 The practice of requiring a student to repeat a class or a year of school because of insufficient educational progress to advance 3 The ability to recall or recognize what has been learned or experienced; memory
retention noun - Definition, pictures, pronunciation and usage notes . . . Definition of retention noun from the Oxford Advanced Learner's Dictionary the action of keeping something rather than losing it or stopping it The company needs to improve its training and retention of staff Want to learn more? the action of keeping liquid, heat, etc inside something rather than letting it escape