# more approximative

## approximation

[uh-prok-suh-mey-shuhn]
noun
1.
a guess or estimate: Ninety-three million miles is an approximation of the distance of the earth from the sun.
2.
nearness in space, position, degree, or relation; proximity; closeness.
3.
Mathematics, Physics. a result that is not necessarily exact, but is within the limits of accuracy required for a given purpose.

Origin:
1400–50; late Middle English approximacioun (< Middle French) < Medieval Latin approximātiōn-, stem of approximātiō. See approximate, -ion

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Based on the Random House Dictionary, © Random House, Inc. 2013.
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World English Dictionary
 approximation (əˌprɒksɪˈmeɪʃən) —n 1. the process or result of making a rough calculation, estimate, or guess: he based his conclusion on his own approximation of the fuel consumption 2. an imprecise or unreliable record or version: an approximation of what really happened 3. maths an inexact number, relationship, or theory that is sufficiently accurate for a specific purpose 4. maths a.  an estimate of the value of some quantity to a desired degree of accuracy b.  an expression in simpler terms than a given expression which approximates to it

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

approximation
1640s, "action of approximating," from L. approximare (see approximate). Meaning "result of approximating" is from 1650s.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

approximation ap·prox·i·ma·tion (ə-prŏk'sə-mā'shən)
n.
Bringing tissue edges into desired apposition for suturing.

The American Heritage® Stedman's Medical Dictionary