precision

noun

1. (broadly, countable, uncountable)The state of being precise or exact; especially, both exact and accurate.

   “Near-synonyms: exactitude, exactness; accuracy”

2. (countable, uncountable)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.”

3. (countable, uncountable)The number of significant digits to which a value may be measured reliably.
4. (countable, uncountable)A bidding system that makes use of many artificial bids to describe a hand quite precisely.

adj

1. (not-comparable)Used for exact or precise measurement.

   “precision instruments”

2. (not-comparable)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.”