Dec

DEC, dec or Dec may refer to:

Abbreviations, initialisms, acronyms

December, the 12th month and final month of the year in the Julian and Gregorian calendars
Declination, a term from astronomy
Diethylcarbamazine, an anti-parasite drug
Diethyl carbonate, an organic solvent
Diplome d’Études Collegiales, French name for Diploma of College Studies, a college studies diploma issued in Quebec
Oratorical Declamation, an event in competitive debate
Display Energy Certificate, a UK requirement to show a certificate rating energy performance in public buildings
Direct energy conversion, a scheme for power extraction from nuclear fusion
An abbreviation for decimal, for example in ASCII charts

Delaware Electric Cooperative
Department of Education and Communities (New South Wales), Australia
Department of Environment and Conservation (New South Wales), Australia
Department of Environment and Conservation (Western Australia), Australia
New York State Department of Environmental Conservation, New York, United States
Dheeraj and East Coast LLC, Dubai
Digital Equipment Corporation, a defunct computer and technology company
Disasters Emergency Committee, coordinates fourteen disaster relief charities in the United Kingdom
Distance Education Council, former body for open and distance education, see Distant Education Bureau
Dubai Economic Council, a policy-making body of the government of Dubai