approximation
//əˌprɒk.sɪˈmeɪ.ʃən//
Noun
approximationSingular
approximationsPlural
1
A value or quantity that is nearly but not exactly correct or accurate.
This figure is only an approximation of the actual cost.
2
The act or process of coming close to or estimating something.
The scientist's approximation of the distance was remarkably accurate.
3
Something that resembles or is similar to something else but is not an exact copy.
This painting is a good approximation of the original masterpiece.