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precision

[pri-sizh-uh n] /prɪˈsɪʒ ən/
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
1630-1640
1630-40; < Latin praecīsiōn- (stem of praecīsiō) a cutting off. See precise, -ion
Related forms
precisional, adjective
overprecision, noun
ultraprecision, noun
Synonyms
2. preciseness, meticulousness, rigor.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for overprecision

precision

/prɪˈsɪʒən/
noun
1.
the quality of being precise; accuracy
2.
(modifier) characterized by or having a high degree of exactness precision grinding, a precision instrument
Derived Forms
precisionism, noun
precisionist, noun
Word Origin
C17: from Latin praecīsiō a cutting off; see precise
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for overprecision
precision
1630s, from Fr. précision (16c.), from L. praecisionem (nom. praecisio) "a cutting off," from praecisus. (see precise).
Online Etymology Dictionary, © 2010 Douglas Harper
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