- Artificial heart
- Internuptial
- Scraping
- ERS-2
- Digestive system
- Obesity
- TWyr
- Composite material
- Therophyte
- Apogee kick motor
- Astronautics
- Analemma
- Flapping
- Gravity Probe B
- Calculus
- Stamping
- Subadult
- Heinrich Event
- Cervical dysplasia
- Kodiak bear
- Natural gas
- Brazing
- Mutagen
- Hypothalamus
- Black-veined white
- Phoenix Mars Lander
- Homolysis
- Echinoderm
- Ediacaran
- Regulator