zero in
verb- To focus one's aim; to zoom in and center (on something). · The pilot zeroed in on the bunker and launched a guided missile.· Zero in and find a watermark in the image.
- To successfully narrow down a search (for). · We have zeroed in on the source of the problem.· See if you can zero in on the caller.
- To concentrate or focus one's attention (on a task). · One member of the check fraud team will zero in on the fingerprints.
- To converge (on). · At the spring sale, everyone zeroed in on the bargain clothes.
From the library
These terrifying atmospheric events, frequently referred to as black blizzards, could suddenly reduce visibility to zero in the middle of the day.
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