precision (nom)
Sens 1 : an instance of exactness or preciseness; a particular, nicety, minute detail, esp. of language. [source : OED]
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Sens 2 : the fact, condition, or quality of being precise; exactness, accuracy. [source : OED]
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Sens 3 : the degree of refinement in a measurement, calculation, or
specification, esp. as represented by the number of digits given. Contrasted with accuracy (the closeness of the measurement, etc.,
to the correct value). [source : OED]