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approximation

ap·prox·i·ma·tion

approximation

 
 
pronunciation:
prak s meI shn
features:
Word Parts
part of speech: noun
definition 1: the act of approximating.
The figures were attained by approximation.
similar words:
approach
definition 2: an estimate; guess.
Her approximation of the depth of the lake was quite close to the actual figure.
similar words:
idea
definition 3: a mathematical or scientific result that is within acceptable limits of accuracy.
Word Parts
The word approximation contains the following part:
-ation Latin noun-forming suffix that means the act, process, or result of
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The suffix -ation is a compound of -ate1 + -ion. It turns verbs ending in -ate into nouns (decorate/ decoration ). Not all nouns with this suffix, however, have a corresponding verb ending in -ate (information , alteration ).