accuracy

Meanings

1. 1
   noun

   the quality of being near to the true value

   I was beginning to doubt the accuracy of my compass when I finally came upon a recognizable landmark.

2. 2
   noun

   (mathematics) the number of significant figures given in a number

   the atomic clock enabled scientists to measure time with much greater accuracy

3. 3
   noun

   The state of being accurate; being free from error; exactness; correctness

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

4. 4
   noun

   Exact conformity to truth, or to a rule or model; degree of conformity of a measure to a true or standard value.

   The jury doubted the accuracy of the witness' comments.

Etymology

* First attested in the 1660s. * accurate + -cy