| Acronym | Definition |
|---|
| ZdZ➣Zeichen der Zeit (German) |
| ZdZ➣Zaklad Doskonalenia Zawodowego (Polish: Department of Vocational Training; Biala Podlaska, Poland) |
| ZdZ➣Zend Developer Zone (online forum) |
| ZdZ➣Ziff-Davis' ZDNet (stock; computing and Internet content company) |