English, Military terminology: radar is an acronym

Reading leads to more self-tutoring: the tutor reveals what he just learned: radar is an acronym.

RADAR: RAdio Detection And Ranging

In this context, ranging apparently means determining the detected object’s range, or distance away.

Source:

Mish, Frederick C. (editor). The Merriam-Webster Dictionary. Springfield: Merriam-Webster, 2004.

www.abbreviations.com

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