- Database
- Optical isomerism
- Bilirubin
- Abyssal zone
- Cryptanalysis
- Plateosaurus
- Wingless
- Elementary particle physics
- Bird call imitation
- Pulsar
- ECS
- Abiotic
- Apodiformes
- Optical disk
- STN
- Critical temperature
- Cyst
- Fibrous root system
- Constellation of Gemini
- Stomach
- Billings Method
- Thalamus
- Typhoid fever
- CNO Cycle
- Stromatolite
- Fontanelle
- Defoliator
- Prime number
- Myrmecophagy
- Blende