accuracy — English Dictionary

Noun

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

   Usage

   • Countable
   • Uncountable

   Examples

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

   More examples (2)

   The efficiency of the instrument will also depend upon the accuracy with which the piston fits the bottom and sides of the barrel. When the piston is depressed to the bottom, it is considered in theory to be in absolute contact, so as to exclude every particle of air from the space between it and the bottom.

   At her invitation he outlined for her the succeeding chapters with terse military accuracy ; and what she liked best and best understood was avoidance of that false modesty which condescends, turning technicality into pabulum.

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

   Usage

   • Countable
   • Uncountable

   Examples

   The jury doubted the accuracy of the witness' comments.

Noun

1. the quality of being near to the true value

   Synonyms

   truth

   Antonyms

   inaccuracy

   Broader terms

   quality

   Examples

   he was beginning to doubt the accuracy of his compass

   the lawyer questioned the truth of my account

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

   Broader terms

   quality

   Examples

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