- Dolby
- Plant litter
- Autumn equinox
- Clays (minerals)
- Duction
- Thermodynamics
- Pixel
- Cryovolcanism
- Macrolide
- Crystalline schist
- Hexagonal system
- NMR
- Reagent
- SACD
- Pneumococcus
- American space shuttle
- AIFF
- Spiral galaxy
- Session key
- Autopoiesis
- Substrate
- Hydrology
- Videotelephony
- Shoemaker-Levy 9
- Alternating
- iPod Nano
- Allosteric effector
- Biotin
- pH
- Homo sapiens