Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
nsf is a noun meaning "an independent agency of the federal government responsible for the promotion of progress in science and engineering by supporting programs in research and education". It carries one recorded sense.
an independent agency of the federal government responsible for the promotion of progress in science and engineering by supporting programs in research and education
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for nsf come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.