American Dictionary

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Definition approximation in American English

approximation noun

[countable/uncountable]noun
/əˌprɑksɪˈmeɪʃ(ə)n/
1

a nearly exact calculation, amount, number, time, etc.

Example

I can only give you an approximation of the cost.

Synonyms and related words
2

something that is similar to something else but is not exactly the same

Example

That's a reasonable approximation of what happened.

Synonyms and related words
Definition approximation in American English