- Man-in-the-middle attack
- Metalloenzyme
- MD4
- Macrophage
- DRCS
- Downy oak
- Biodiesel
- Western hemlock
- Dysmetria
- Constellation of Monoceros
- Movement
- Alar bar
- Meridian of a celestial body
- VOD
- Weevil
- Alphamosaic
- Immunomodulator
- Ethernet
- Bonanzas
- Himalayan brown bear
- Electroencephalograph
- Photovoltaic panel
- Perturbed elliptic motion
- Conchoidal
- Earthshine
- Achondrite
- Bhopal disaster
- Migration
- Leucine
- Deep Space 2