DLL

Look up DLL in Wiktionary, the free dictionary.

DLL may refer to:

• Data link layer, a layer in the OSI network architecture model
• Delay-locked loop, a device to reduce clock skew in digital circuits
• Doubly linked list, a data structure in computer programming
• Dynamic-link library, or a DLL file, as implemented in Microsoft Windows and OS/2
• DLL Group, a global financial solutions company
• Distal-less (Dll) gene that controls development of limbs or other appendages in many animals