Es·fa·han 
(ĕs′fə-hän) or Is·fa·han (ĭs′-)
(ĕs′fə-hän) or Is·fa·han (ĭs′-) A city of central Iran south of Tehran. An ancient town and capital of Persia from 1598 to 1722, it was long noted for its fine carpets and silver filigree.
- radially symmetrical
- radial symmetry
- radial tire
- radial velocity
- radian
- radiance
- radiancy
- radiant
- radiant energy
- radiant flux
- radiantly
- radiate
- radiation
- radiational
- radiation oncology
- radiation pressure
- radiation sickness
- radiation therapy
- radiative
- radiative zone
- radiator
- radical
- radical expression
- radicalism
- radicalization