| Definition | : | Subscriber Trunk Dialling |
| Category | : | Technology // Communication |
| Country/Region | : | United Kingdom |
| Country | Term | Full Form | Definition | Meaning | Main Category // Subcategory | |
|---|---|---|---|---|
| Worldwide | STD | Sexually Transmitted Disease | Medical // Diseases & Conditions | |
| Worldwide | STD | Sexually Transmitted Disease | Medical // Diseases & Conditions | |
| United Kingdom | STD | Subscriber Trunk Dialling | Technology // Communication | |