accuracy

To illustrate the distinction, if you throw ten darts at the center of a dartboard, and they are scattered loosely around the center, your throws had high accuracy but low precision. If the darts are tightly grouped at a spot on the wall not very close to the dartboard, your throws had high precision but low accuracy.

Ac"cu*ra*cy [See Accurate.]

The state of being accurate; freedom from mistakes, this exemption arising from carefulness; exact conformity to truth, or to a rule or model; precision; exactness; nicety; correctness; as, the value of testimony depends on its accuracy.

The professed end [of logic] is to teach men to think, to judge, and to reason, with precision and accuracy. Reid.

The accuracy with which the piston fits the sides. Lardner.

© Webster 1913.