radio detection and ranging n measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects Synonym(s) radar microwave radar radiolocation
News & Articles radio detection and ranging ANN's Daily Aero-Term (06.27.13): RADAR Acronym for RAdio Detection And Ranging; a radio device or system for locating an object by means of ultrahigh-frequency radio waves. June 27, 2013 - The Aero-News Network