Rap·id City 
(răpĭd)
(răpĭd) A city of southwest South Dakota in the eastern part of the Black Hills. It was founded in 1876 as a supply depot for gold miners.
- equinoctial
- equinoctial circle
- equinox
- equip
- equipage
- equipment
- equipoise
- equipollence
- equipollent
- equipollently
- equiponderance
- equiponderant
- equiponderate
- equipotential
- equiprobable
- equisetum
- equitable
- equitableness
- equitably
- equitant
- equitation
- equity
- equity of redemption
- equivalence
- equivalence principle