Pre*ci"sion (?), n. [Cf. F. pr'ecision, L. praecisio a cutting off. See Precise.]
The quality or state of being precise; exact limitation; exactness; accuracy; strict conformity to a rule or a standard; definiteness.
I have left out the utmost precisions of fractions.
Syn. -- Preciseness; exactness; accuracy; nicety. -- Precision, Preciseness. Precision is always used in a good sense; as, precision of thought or language; precision in military evolutions. Preciseness is sometimes applied to persons or their conduct in a disparaging sense, and precise is often used in the same way.
© Webster 1913.