Posted in Engineering, Pop Culture ZD stands for Ziff-Davis ZD stands for Zener Diode ZD stands for Zero Defects ZD stands for Zadar, Croatia (license plate) ZD stands for Zip Disk ZD stands for Zenith Distance ZD stands for Zone Description ZD stands for Zero Drift (electronics) ZD stands for Zdaemon (multiplayer Doom port) ZD stands for Zone de Détection (French: Detection Zone; security)