age-group
noun
ˈāj-ˌgrüp 
: a segment of a population that is of approximately the same age or is within a specified range of ages
Word History
First Known Use
1893, in the meaning defined above
- nonaggression
- nonaggression pact
- nonaggression treaty
- nonaggression treaty/pact
- nonaggressions
- nonaggressive
- nonagon
- nonagons
- nonagreement
- nonagreements
- nonagricultural
- nonahydrate
- nonalcoholic
- nonalcoholics
- nonaligned
- nonalignment
- nonalignments
- nonalinements
- nonallelic
- nonallergenic
- nonallergic
- nonalphabetic
- nonaluminum
- nonambiguous
- nonamino