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# approximation

[ uh-prok-suh-mey-shuhn ]

/ əˌprɒk səˈmeɪ ʃən /

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noun

a guess or estimate: Ninety-three million miles is an approximation of the distance of the earth from the sun.

nearness in space, position, degree, or relation; proximity; closeness.

Mathematics, Physics. a result that is not necessarily exact, but is within the limits of accuracy required for a given purpose.

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## Origin of approximation

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

## OTHER WORDS FROM approximation

ap·prox·i·ma·tive, adjective## Words nearby approximation

approx., approximal, approximant, approximate, approximately, approximation, appt., apptd., appulse, appurtenance, appurtenant

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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

## How to use approximation in a sentence

## British Dictionary definitions for approximation

approximation

/ (əˌprɒksɪˈmeɪʃən) /

noun

the process or result of making a rough calculation, estimate, or guesshe based his conclusion on his own approximation of the fuel consumption

an imprecise or unreliable record or versionan approximation of what really happened

maths an inexact number, relationship, or theory that is sufficiently accurate for a specific purpose

maths

- an estimate of the value of some quantity to a desired degree of accuracy
- an expression in simpler terms than a given expression which approximates to it

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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