noun: Initialism of Resource Description Framework, used for conceptual modelling of information on the Web.
noun: Initialism of radio direction finding.
noun: Initialism of reality distortion field, used for describing how exposure to a charismatic person can change people's behavior. [(idiomatic) The persuasive ability of a leader or entrepreneur, especially in misleading or convincing others in order to promote a product or service.]
noun: Initialism of random dopant fluctuation, used in semiconductor process development. RDF is a significant cause of MOS Threshold Voltage variation in nanometer scale devices.
noun: Initialism of radial distribution function. [(mathematics, physics) A function which specifies the average density of atoms, molecules etc in three dimensions from a given point.]
