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Definition of precision - 4 dictionary results
Precision
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pre⋅ci⋅sion

  [pri-sizh-uhn]
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–noun
1. the state or quality of being precise.
2. accuracy; exactness: to arrive at an estimate with precision.
3. mechanical or scientific exactness: a lens ground with precision.
4. punctiliousness; strictness: precision in one's business dealings.
5. Mathematics. the degree to which the correctness of a quantity is expressed. Compare accuracy (def. 3).
6. Chemistry, Physics. the extent to which a given set of measurements of the same sample agree with their mean. Compare accuracy (def. 2).
–adjective
7. of, pertaining to, or characterized by precision: precision swimming; precision instruments for aircraft.
Origin:
1630–40; < L praecīsiōn- (s. of praecīsiō) a cutting off. See precise, -ion

Related forms:
pre⋅ci⋅sion⋅al, adjective

Synonyms:
2. preciseness, meticulousness, rigor.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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pre·ci·sion   (prĭ-sĭzh'ən)   
n.  
  1. The state or quality of being precise; exactness.
    1. The ability of a measurement to be consistently reproduced.
    2. The number of significant digits to which a value has been reliably measured.
adj.  
  1. Used or intended for accurate or exact measurement: a precision tool.
  2. Made so as to vary minimally from a set standard: precision components.
  3. Of or characterized by accurate action: precision bombing.

[Latin praecīsiō, praecīsiōn-, a cutting off, from praecīsus, past participle of praecīdere, to cut off; see precise.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Precision

Pre*ci"sion\, n. [Cf. F. pr['e]cision, L. praecisio a cutting off. See Precise.] The quality or state of being precise; exact limitation; exactness; accuracy; strict conformity to a rule or a standard; definiteness.

I have left out the utmost precisions of fractions. --Locke.

Syn: Preciseness; exactness; accuracy; nicety.

Usage: Precision, Preciseness. Precision is always used in a good sense; as, precision of thought or language; precision in military evolutions. Preciseness is sometimes applied to persons or their conduct in a disparaging sense, and precise is often used in the same way.
Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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Language Translation for : precision
Spanish: precisión,
German: die Genauigkeit; Präzisions-…,
Japanese: 精密
More Translations »

precision mathematics
The number of decimal places to which a number is computed.
Compare accuracy.
(1998-04-19)

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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Precision
 Dell Precision Computers with Intel Core™2 Duo Technology- Shop Today!
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