What Does the Term “Zeroed In” Mean and Where Did the Phrase Come From?

Before the modem era, rifle gunsights were aligned to hit a target at a known distance.

Therefore, with the guesswork removed, any adjustment from a set position would be zero.

The same principle applies to artillery batteries, which adjust their fire to a fixed point or “ground zero,” a term still used with satellite- and laser-guided bombs and missiles.

Like the single-minded person, they’re zeroed in.

About Karen Hill

Karen Hill is a freelance writer, editor, and columnist. Born in New York, her work has appeared in the Examiner, Yahoo News, Buzzfeed, among others.

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