precision

noun

the state or quality of being precise.

accuracy; exactness: to arrive at an estimate with precision.

mechanical or scientific exactness: a lens ground with precision.

punctiliousness; strictness: precision in one's business dealings.

Mathematics. the degree to which the correctness of a quantity is expressed. Compare accuracy ( def 3 ).

Chemistry, Physics. the extent to which a given set of measurements of the same sample agree with their mean. Compare accuracy ( def 2 ).

adjective

of, pertaining to, or characterized by precision: precision swimming; precision instruments for aircraft.

00:10

Precision is always a great word to know.

So is subtract. Does it mean:

the second power of a quantity, expressed as a2 = a ? a, where a is the quantity

to take one number or quantity from another; deduct

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Origin:
1630–40; < Latin praecīsiōn- (stem of praecīsiō) a cutting off. See precise, -ion

Related forms

pre·ci·sion·al, adjective

o·ver·pre·ci·sion, noun

ul·tra·pre·ci·sion, noun

Synonyms
2. preciseness, meticulousness, rigor.

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Link To Precision

Collins

World English Dictionary

precision (prɪˈsɪʒən)

—n
1.	the quality of being precise; accuracy
2.	(modifier) characterized by or having a high degree of exactness: precision grinding; a precision instrument

[C17: from Latin praecīsiō a cutting off; see precise]

pre'cisionism

—n

pre'cisionist

—n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline

Word Origin & History

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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FOLDOC

Computing Dictionary

precision definition

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

Example sentences

One might object not on grounds of accuracy, but on grounds of precision.

Its technical precision amazes modern architects and engineers, especially in

light of the available resources.

Each of us is born with a capacity to see and feel intensely and with precision.

The team are now working on improving the robot's precision and expanding the

volume in which it can operate.

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Matching Quote

"Our discussion will be adequate; if it has as much clearness as the subject-matter admits of; for precision is not to be sought for alike in all discussions, and more than in all the products of the crafts. Now fine and just actions, which political science investigates, exhibit much variety and fluctuation, so that they may be thought to exist only by convention, and not by nature. And goods also exhibit a similar fluctuation.... We must be content, then, in speaking of such subjects and with such premises, to indicate the truth roughly and in outline.... In the same spirit, therefore, should each of our statements be received; for it is the mark of an educated man to look for precision in each class of things just so far as the nature of the subject admits: it is evidently equally foolish to accept probable reasoning from a mathematician and to demand from a rhetorician demonstrative proofs."

-Aristotle