DLL
DLL may refer to:
Baraboo–Wisconsin Dells Airport (FAA ID), an airport near Baraboo, Wisconsin, U.S.
Data link layer, a layer in the OSI network architecture model
Davis–Putnam–Logemann–Loveland algorithm, an algorithm for deciding the satisfiability of propositional logic formulae in conjunctive normal form
Delay-locked loop, a device to reduce clock skew in digital circuits
Dillon County Airport (IATA code), an airport near Dillon, South Carolina, U.S.
Distal-less (Dll) gene that controls development of limbs or other appendages in many animals
DLL Group, a global financial solutions company
Doubly linked list, a data structure in computer programming
Dynamic-link library, or a DLL file, as implemented in Microsoft Windows and OS/2
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