radio detection and ranging vs radiolocation

radio detection and ranging and radiolocation both are nouns.

Word	Noun	Adjective	Verb	Adverb
radio detection and ranging	Yes	No	No	No
radiolocation	Yes	No	No	No

As nouns, radio detection and ranging and radiolocation are synonyms defined as:

radio detection and ranging and radiolocation: measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects

Other synonyms of radio detection and ranging include microwave radar, radar.

radio detection and ranging (noun)	radiolocation (noun)
measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects	measuring instrument in which the echo of a pulse of microwave radiation is used to detect and locate distant objects