retentionrange
nounUK /rɪˈtɛnʃən reɪndʒ/
US /rɪˈtɛnʃən reɪndʒ/
The range of how long something can be kept or remembered.
The retention range for the new vocabulary words was about two weeks.
OTHER MEANINGS
2. The set of conditions under which a material keeps its properties.
The retention range of the coating was tested at high temperatures.
3. The span of time a customer stays with a company.
The retention range for subscribers improved after the loyalty program.
4. The distance over which a filter can hold particles.
The filter's retention range covers particles from 1 to 100 microns.