Look up cnf in Wiktionary, the free dictionary.

CNF may refer to:

• Carbon-neutral fuel
• Cloud-Native Network Function, emerging technology in cloud computing
• Belo Horizonte International Airport, Brazil, IATA code CNF
• Chomsky normal form, in formal language theory, first described by Noam Chomsky
• Configuration file, in computing, typically with file extension .cnf, .conf, .cfg, .cf, or .ini
• Conjunctive normal form, also known as clausal normal form, in Boolean logic
• Constant weight without fins, a freediving discipline in which usage of fins or change of ballast is prohibited

Organizations

• Caucasus Nature Fund, a German non-profit supporting protected areas in Transcaucasia
• Club Nacional de Football, Uruguayan football team
• Comité National Français, a provisional government of Free France led by Charles de Gaulle
• Commonwealth Naval Forces, former name of the Royal Australian Navy
• Cornell NanoScale Science and Technology Facility, at Cornell University, member of the National Nanotechnology Coordinated Infrastructure

Science

• Carbon nanofiber, cylindrical nanostructures with graphene layers
• Cellulose nanofibre, a type of nanocellulose
• Cytotoxic necrotising factor family, members of which are referred to as CNF followed by a number
• Cyanogen fluoride, a cyanide compound with the chemical formula CNF

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