Approximation and Accuracy

noun

• An approximate calculation of quantity or degree or worth.
  • usage: "an estimate of what it would cost"; "a rough idea how long it would take"
  • synonyms: estimate, estimation, idea
• The quality of coming near to identity (especially close in quantity. )
• An imprecise or incomplete account.
  • usage: "newspapers gave only an approximation of the actual events"
• The act of bringing near or bringing together especially the cut edges of tissue.
  • synonyms: bringing close together

• (n.) A continual approach or coming nearer to a result; as, to solve an equation by approximation.
• (n.) The act of approximating; a drawing, advancing or being near; approach; also, the result of approximating.
• (n.) An approach to a correct estimate, calculation or conception or to a given quantity, quality, etc.
• (n.) A value that is nearly but not exactly correct.

noun

• The quality of being near to the true value.
  • usage: "he was beginning to doubt the accuracy of his compass"; "the lawyer questioned the truth of my account"
  • synonyms: truth
• Mathematics) the number of significant figures given in a number. (
  • usage: "the atomic clock enabled scientists to measure time with much greater accuracy"

(n.) 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.