nf

(US, aviation) Prefix code for NASA research fighter plane designations.

(Canada) Initialism of Newfoundland and Labrador, a Canadian province. [A province in eastern Canada; abbreviation Nfld., Nfld, NL, N.L., N. L., or NF; formerly, Newfoundland (1949–2001). Capital: St. John's.]

(US, pharmacology) Initialism of National Formulary, a book of public pharmacopeial standards.

(pathology) Initialism of necrotizing fasciitis. [A severe, fast-spreading infection that results in the death of the body's soft tissue.]

(pathology) Initialism of neurofibromatosis. [(medicine) A genetic disorder characterized by the presence of multiple neurofibromas under the skin.]

(Unicode) Initialism of normalization form.

(computing) Initialism of normal form. [(databases) Any of various forms of a relational database providing criteria for determining a table's degree of vulnerability to logical inconsistencies and anomalies.]

(slang) Initialism of not frat, denoting things counter to the culture of Greek life, particularly in the Southern United States.