Rockville
geographical name
Rock·ville ˈräk-ˌvil 
-vəl
city in Maryland north-northwest of Washington, D.C. population 61,209
- actinium
- actinium emanation
- actinium series
- actiniums
- Actinizoa
- actinizoan
- actino-
- actinobacillary
- actinobacilli
- actinobacillotic
- actinobranch
- actinobranchia
- actinocrinite
- Actinocrinus
- actinodrome
- actinodromous
- actinoelectric
- actinoid
- Actinoida
- actinoidea
- actinoids
- actinolite
- actinolites
- actinologous
- actinologue