MSD
MSD stands for:
- Maize Streak Disease , a plant viral disease, see Maize Streak Virus
- Mass selective detector , a component of a mass spectrometer
- Mean Shortest Distance , indicates how strongly a GPG key is networked in the Web of Trust
- Master Scuba Diver , a PADI training and certification for scuba divers
- Mean square displacement (Mean Squared Displacement MSD)
- Memory Stick Duo , a digital memory card
- MSD Sharp & Dohme , Merck Sharp and Dohme , US pharmaceutical company, operates in North America as Merck & Co., Inc.
- Mobile Security Division , a special tactical unit of the US State Department's security service
- Moscow Summer Time , a daylight saving time zone that was used until 2011, see UTC + 4
- Mobile special education service
- Most Significant Digit , a term from measurement technology, digit with the highest priority
- Motorized rifle division , large association of the land forces of the NVA until 1990
- Movimento Social Democrata , an East Timorese party alliance
- Mystery swine disease , see Epidemic late abortion in pigs
- Mount Pleasant Airport (IATA code), Mount Pleasant Airport ( Utah) , Sanpete County , Utah
msd stands for:
- Maya Sign Language (ISO-639-3 code), sign language used in Mayan communities in the Yucatan and the highlands of Guatemala