- Cysteine
- Electron transfer chain
- Ore
- Constellation of Draco
- Sponge
- Protoplanetary disk
- Denial of service
- Electric shock
- Thrust
- Bone density
- CO2 trap
- Cherenkov radiation
- Amnesia
- Chemical dam
- Uterine relaxant
- Floating screed
- Chromatophore
- Bile acid chelator
- Allosome
- Altostratus cloud
- American Bullfrog
- Voice synthesis
- Ester
- Krebs cycle
- Friction
- Artificial selection
- Red panda
- Triptan
- Anti-TNF
- Electrocution