RTD

RTD may refer to:

Science and technology

 * Real-time data
 * Residence time distribution
 * Resonant-tunneling diode
 * Round-trip delay time, in telecommunications
 * Research and development, Research and Technical (or Technological) Development
 * Resistance Temperature Detector, a resistance thermometer; RTD is also used to rate or describe plywood manufacturing processes where RTD sensors significantly reduce the delamination caused by insufficient heating of the plywood during the press cycle.

Broadcasting

 * Radio Tanzania Dar es Salaam
 * Radio Television of Djibouti (Radiodiffusion Télévision de Djibouti)
 * RT Documentary, an English- and Russian-language TV channel
 * Russell T Davies, Welsh screenwriter and television producer

Publications

 * RTD info, a European science magazine
 * Richmond Times-Dispatch newspaper, Virginia, US

Transportation

 * Regional Transportation District, Denver, Colorado, US
 * San Joaquin Regional Transit District, Stockton, California, US
 * Southern California Rapid Transit District, merged into Los Angeles County Metropolitan Transportation Authority

Other uses

 * Ready to drink beverage
 * Corner retirement (referee technical decision), in boxing
 * Retired (abbreviation)
 * Right to Die
 * Russell's theory of descriptions