"\"The term \"\"radar\"\" is an abbreviation of the expression \"\"Radio Detection and Ranging\"\". Oxford English Dictionary (OED)\"" . "Qualified" . "RADAR" . "RADAR" . "RDS7135931" . "An 'artefact' for detecting the presence of objects at a distance, or ascertaining their position or motion, by transmitting short radio waves and detecting or measuring their return after being reflected." . "u82237" . "2006.09.05" . .