- Pronounced "esseff", the preferred abbreviation of "science fiction" within the community of sf writers and readers, as opposed to the journalistic SCI FI. In this volume - as often elsewhere - it is rendered in lower-case letters.PNTitles of organizations, magazines, etc., which begin "SF", meaning "science fiction", are listed as if that acronym were spelt out in full.
Science Fiction and Fantasy Encyclopedia. Academic. 2011.