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English definition of “precision”

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precision

noun [U] uk   /prɪˈsɪʒ.ən/ us    /prə-/

precision noun [U] (EXACT)

the quality of being exact: Great precision is required to align the mirrors accurately. Precision bombing was used to destroy enemy airbases and armaments factories.

precision noun [U] (CAREFUL)

approving the qualities of being careful and accurate: His books are a pleasure to read because he writes with such clarity and precision.
(Definition of precision from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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