accuracy - Definitions from Dictionary.com

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Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

ac·cu·ra·cy

Audio Help [ak-yer-uh-see] Pronunciation Key

–noun, plural -cies.

1.	the condition or quality of being true, correct, or exact; freedom from error or defect; precision or exactness; correctness.

2.	Chemistry, Physics. the extent to which a given measurement agrees with the standard value for that measurement. Compare precision (def. 6).

3.	Mathematics. the degree of correctness of a quantity, expression, etc. Compare precision (def. 5).

[Origin: 1655–65; accur(ate) + -acy

]

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

Encyclopædia Britannica, Inc.
accuracy

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American Heritage Dictionary - Cite This Source - Share This

ac·cu·ra·cy Audio Help (āk'yər-ə-sē) Pronunciation Key
n.

Conformity to fact.
Precision; exactness.
The ability of a measurement to match the actual value of the quantity being measured.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

WordNet - Cite This Source - Share This

accuracy
noun
1.	the quality of being near to the true value; "he was beginning to doubt the accuracy of his compass"; "the lawyer questioned the truth of my account" [ant: inaccuracy]
2.	(mathematics) the number of significant figures given in a number; "the atomic clock enabled scientists to measure time with much greater accuracy"

Free On-line Dictionary of Computing - Cite This Source - Share This

accuracy mathematics
How close to the real value a measurement is.
Compare precision.
(1998-04-19)

Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Accuracy

Ac"cu*ra*cy\ (#; 277), n. [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.

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