- Ammeter
- Hanbury Brown–Twiss effect
- RNA polymerase
- True anomaly
- Avian
- UML
- ERS-2
- Dimorphous
- Virgo
- Genetic change
- Glycoside
- Cellular respiration
- Levorotatory
- Pioneer species
- Croup
- URL
- Secondary energy
- Drosophila
- MRI
- Ammon's horn
- Crystal class
- Cementite
- Hepatitis E
- Geodetic precession
- Spectrometry
- Sea ice - First year thick
- Metazoan
- RSA
- Roskosmos
- Food bolus