| Acronym | Definition |
|---|
| HDSC➣High Density Signal Carrier |
| HDSC➣Hydrometeorological Design Studies Center (US NOAA) |
| HDSC➣Hazardous Material Distribution Support Center |
| HDSC➣Huntington's Disease Support Club |
| HDSC➣Hitachi Data Systems Corporation (electronics company) |
| HDSC➣Hybrid Document Scanner Camera |
| HDSC➣Headphone Science |
| HDSC➣High Definition System Controller |
| HDSC➣Hearts, Diamonds, Spades, Clubs (playing cards; mathematics problem solving) |
| HDSC➣Harwich and Dovercourt Sailing Club (UK) |