- Channel D
- Air
- Asymmetric keys
- Oedema
- Urothelium
- Solar eclipse of 11 August 1999
- Supplementary service
- Mach number
- Variable
- Wave mechanics
- Superstring theory
- DVD-RW
- Bonanzas
- Nitrogen cycle
- Root tube
- Pulvillus
- Rhinopharyngitis
- Trypanosomiasis
- HDLC
- Metabolic syndrome
- PSA
- Flex fuel
- Connex
- Microsatellite
- Automaton
- Anticoagulant
- Chinese artichoke
- Regioselective
- Sprain
- Sodolithic