EnglishMain Dictionary
approximation
Universal Words
noun
1 an estimate of a number or an amount that is almost correct, but not exact:
That's just an approximation, you understand. * An approximation of the numbers expected to attend would be 350.
2 ~ (of / to sth) a thing that is similar to sth else, but is not exactly the same:
Our results should be a good approximation to the true state of affairs.
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