Wikipedia
HMDS
HMDS may refer to:
- either of two related reagents for organic chemistry:
- Hexamethyldisilazane ([(CH)Si]NH)
- Hexamethyldisiloxane (O[Si(CH)])
- Her Majesty's Diplomatic Service, of the United Kingdom
- Helmet mounted display and sight, a system for military pilots
- Harvest Moon DS, a video game