- Mach number
- Hem
- SOFIA
- Unknown
- Melanocyte
- DSL
- HD-DVD
- Absolute zero
- Hard base
- Ultrasound
- Facilities management
- Twilight
- Polyphenol
- Albedo
- Mira Ceti
- Tiger mosquito
- Linear dune
- Abyssal plain
- Montrachet
- Batrachians
- Pterophile
- Earth Summit
- Eligibility
- Processor frequency
- Rate-limiting enzyme
- Epilepsy
- Colony
- Acrotonic
- Amplexus
- Tail assembly