su·per·son·ics 
(s′pər-sŏnĭks)
(s′pər-sŏnĭks)n. (used with a sing. verb)
The study of phenomena produced by the motion of a body through a medium at velocities greater than that of sound.
- Roebling
- roebuck
- roe deer
- roentgen
- Roentgen
- roentgenium
- roentgenize
- roentgeno-
- roentgenogram
- roentgenograph
- roentgenographic
- roentgenographically
- roentgenography
- roentgenologic
- roentgenological
- roentgenologically
- roentgenologist
- roentgenology
- roentgenoscope
- roentgenoscopic
- roentgenoscopy
- roentgenotherapy
- roentgen ray
- Roethke
- Rogaine