the state or quality of being precise.
2.
accuracy; exactness:
to arrive at an estimate with precision.
3.
mechanical or scientific exactness:
a lens ground with precision.
4.
punctiliousness; strictness:
precision in one's business dealings.
5.
Mathematics. the degree to which the correctness of a quantity is expressed.
Compare accuracy (def 3).
6.
Chemistry, Physics. the extent to which a given set of measurements of the same sample agree with their mean.
Compare accuracy (def 2).