- Amphidromic point
- HSR
- Anaplasmosis
- Gateway
- Endosymbiosis
- IETF
- Thermohaline circulation
- Dense Plume
- HD-DVD
- Metabolite
- Mitosis
- Flexography
- Chloroplast
- Special relativity
- Mass number
- M110
- Melt flow index
- Pleistocene
- Mars Reconnaissance Orbiter
- Hydrophile
- Scraping
- Alanine
- Curettage
- Meridian of a celestial body
- Methyl bromide
- Jet engine
- Watt-hour
- Hydrogen sulphide
- Fennel
- Ester