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.
- condescend
- condescendence
- condescender
- condescending
- condescendingly
- condescension
- condign
- condignly
- condiment
- condimental
- condition
- conditional
- conditional convergence
- conditionality
- conditionally
- conditional probability
- conditioned
- conditioned response
- conditioned stimulus
- conditioner
- conditioning
- condo
- condolatory
- condole
- Condoleezza