Meaning

noun measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects

originEtymology tree Latin radiusder. English radio- Proto-Indo-European *kʷelh₁-der. Ancient Greek τῆλε (têle)lbor. French télé- Proto-Indo-European *gerbʰ- Proto-Hellenic *grə́pʰō Ancient Greek γράφω (gráphō) Ancient Greek -γράφος (-gráphos)bor. Latin -graphuslbor. French -graphe French télégraphebor. English telegraph Proto-Indo-European *-yós Proto-Italic *-ios Old Latin -ios Latin -ius Latin -ia…

Etymology from Wiktionary, CC BY-SA 3.0