| Acronym | Definition |
|---|
| MSDH➣Mississippi State Department of Health |
| MSDH➣Master of Science in Dental Hygiene (various schools) |
| MSDH➣Methylmalonic Acid Semialdehyde Dehydrogenase |
| MSDH➣O-Methyl-Serine Dodecylamide Hydrochloride |
| MSDH➣Multi-Spindle Drill Head (product) |