zero in (on something/someone) Meaning in the Cambridge English Dictionary
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Meaning of “zero in (on something/someone)” in the English Dictionary

"zero in (on something/someone)" in American English

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zero in (on something/someone)

 /ˈzɪr·oʊ, ˈzi·roʊ/ (present tense zeroes, present participle zeroing, past tense and past participle zeroed)
phrasal verb with zero verb
to ​direct all ​yourattention to one thing: We’ve zeroed in on the ​realproblem – we don’t ​save enough ​money. If you zero in a ​weapon, you ​aim it ​directly at something you ​want to ​hit: Computers ​help the ​pilots to zero in on ​theirtargets.
(Definition of zero in (on something/someone) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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