Etymology From Middle French precision. Equivalent to precise + -ion.
1
Broadly The state of being precise or exact; especially, both exact and accurate.
Near-synonyms: exactitude, exactness; accuracy
2
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
Mathematics, Sciences The number of significant digits to which a value may be measured reliably.
4
Bridge, Games A bidding system that makes use of many artificial bids to describe a hand quite precisely.
Etymology From Middle French precision. Equivalent to precise + -ion.
1
Used for exact or precise measurement.
precision instruments
2
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.2011 October 1, John Sinnott, “Aston Villa 2 - 0 Wigan”, in BBC Sport: