nsf N series • N-shaped · · · Info · Definitions · Characters · · nsf · · Text Latin · · Script 3 · · Length 1 · · Syllables Definitions · · · (noun) an independent agency of the federal government responsible for the promotion of progress in science and engineering by supporting programs in research and education. Synonyms: National Science Foundation, NSF. · · Noun Definition 1 Characters · · f latin small letter f U+0066 n latin small letter n U+006E s latin small letter s U+0073