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RADAR or radar?

In: Electronics Engineering, Technology [Edit categories]

Answer:

The original usage was RADAR since it is an acronym (RAdio Detection And Ranging) and people encountering it in written form may have thought it a typographical error were it not capitalized.

But now that radar has left the realm of esoteric physics and technology and entered the common man's vocabulary, it is usually seen in its lower-case form. At this time upper or lower-case usage depends on the preference of the user.

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First answer by Mensch. Last edit by Mensch. Contributor trust: 1 [recommend contributor ]. Question popularity: 2 [recommend question].

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