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zero in on

phrasal verb

Definition of zero in on

1 : to direct all of one's attention to (someone or something)
  • Scientists are hoping to zero in on a cure.
2 : to aim something (such as a gun or camera) directly at (someone or something)
  • The gunner zeroed in on the target.

Word by Word Definitions

zero play

  1. : the arithmetical symbol 0 or 0̸ denoting the absence of all magnitude or quantity

  2. : additive identity

  3. : a value of an independent variable that makes a function equal to zero

  1. : of, relating to, or being a zero

  2. : having no magnitude or quantity : not any

  3. : having no phonetic manifestation

  1. : to determine or adjust the zero of

  2. : to concentrate firepower on the exact range of

  3. : to bring to bear on the exact range of a target

See the full definition of zero

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