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Definition of precision


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pre·ci·sion  audio  (pr-szhn) KEY 

NOUN:
  1. The state or quality of being precise; exactness.
    1. The ability of a measurement to be consistently reproduced.
    2. The number of significant digits to which a value has been reliably measured.
ADJECTIVE:
  1. Used or intended for accurate or exact measurement: a precision tool.
  2. Made so as to vary minimally from a set standard: precision components.
  3. Of or characterized by accurate action: precision bombing.

ETYMOLOGY:
Latin praecsi, praecsin-, a cutting off, from praecsus, past participle of praecdere, to cut off ; see precise


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