The meaning of the Acronym NNF is...

NNF is

• Non-Normal Form
• Negation Normal Form

More Meanings For NNF:

• New National Framework
• Non-Normal Form
• Negation Normal Form
• Nutrition News Focus
• National NGO Forum
• NoNoForbidding Gallery
• Nuveen Insured New York Premium Income Fund
• New National Framework for teaching

NNF is also in:

• Educational
• Mathematics
• Networking
• NYSE Symbols
• Unfiled