RDF is a three-letter acronym that may refer to: In technology: Resource Description Framework, an official World Wide Web Consortium (W3C) Semantic Web specification for metadata models Radial distribution function, the probability of finding an atom at a certain distance away from another atom Radio direction finder Random dopant fluctuation Reuters Data Feed Refuse-derived fuel In military: Rwandan Defence Forces Reserve Defence Forces, Ireland Rapid deployment force(s): Finnish Rapid Deploym… (More on Rdf)