- Spectral colour
- Phytates
- Avulsion
- eDonkey
- Photochemical pollution
- Terpenoid
- Extra-uterine pregnancy
- Lake Titicaca
- Comet tail
- Polymetallic
- Permafrost
- Bird call imitation
- Oophagy
- Axial skeleton
- Fine structure constant
- Pull-apart sedimentary basin
- Americium
- Maar
- Arteriosclerosis
- Single-stranded
- Tendex line
- Bitternut hickory
- Blepharitis
- RADSL
- Abzyme
- Flood
- Polycyclic aromatic hydrocarbons
- Threonine
- Volt
- Physical model