precision

The state of being precise or exact; especially, both exact and accurate.

Near-synonyms: exactitude, exactness; accuracy

The ability of a measurement to be reproduced consistently.

Near-synonyms: repeatability; reproducibility

The classic example of the difference between precision and accuracy is that in target practice, if the grouping is tight but the group is off-center, your precision is good but your accuracy needs calibration.

The number of significant digits to which a value may be measured reliably.

A bidding system that makes use of many artificial bids to describe a hand quite precisely.

Used for exact or precise measurement.

precision instruments

Made, or characterized by accuracy.

But there was nothing he could do about Villa's second when Agbonlahor crossed from the left and Bent finished with a precision volley.