- Registrar
- Allochemical
- Luyten, Willem
- Lift augmentation system
- Meristem
- Keplerian elliptic motion
- antiacne
- Fumaroles
- Wood
- Geometric coordinates
- Epidural
- Host plant
- M81
- Coprolalia
- Planetographic Coordinates
- Callisto
- Controlled fusion
- Straight swift
- Spermicide
- Special relativity
- HLA
- Cheilio
- Isomalt
- Lahar
- Border
- Andropause
- Cryovolcanism
- Electrical impedance
- PEFC
- Black liquor