approximation

Word family

ap·prox·i·ma·tion /əˌprɒksəˈmeɪʃən $ əˌprɑːk-/ AWL noun [countableC, uncountableU]

1 APPROXIMATELYa number, amount etc that is not exact, but is almost correct 概算，近似值 SYN estimate

approximation of

an approximation of the total

大概的总数

a rough/crude approximation (=one that is not very exact) 粗略的估算

Could you give us a rough approximation of the cost?

你能给我们粗略估算一下费用有多少吗？

a good/close/reasonable approximation 很好的/接近的/接近的/合理的估算

2 LIKE/SIMILARsomething that is similar to another thing, but not exactly the same 类似事物

approximation of/to

It was the nearest approximation to a crisis she’d ever experienced.

在她的经历中，这差不多就是一场危机。

Examples from the Corpus

approximation• Although it is sometimes simulated by looking through a peephole, this gives only a crude approximation of the condition.• If the first shape is a series of rough-hewed approximations, the second is a shiny patchwork of beautifully stitched leather cut-outs.• As with the others, it was complicated by numerous irregularities, approximations, and ornate embellishments in the park.• We live in a system of approximations.• Five thousand dollars seems to be a reasonable approximation of the actual cost.• There are reasonable approximations of bicarbonate and alkali secretion for each subject on separate occasions.• For a long time, this was sufficient justification for Friedmann's assumption - as a rough approximation to the real universe.• The way in which one would normally try to compute the behaviour of such a world would be to make some approximation.

a good/close/reasonable approximation• Because Aristotelian is a good approximation.• Some of the errors introduced will cancel one another out and the answer we get will still be a reasonable approximation.• Therefore, as a reasonable approximation, you can neglect the extra oxygen that plants consume at night.• This is acceptable only if it can be demonstrated that the method gives a reasonable approximation of the actual cost.• This recipe is a good approximation and a whole lot easier to accomplish.• You only need to type in a close approximation of the word and leave it to the spell-checker to sort out.

nearest approximation• The nearest approximation of this impossible counter-colonialist dream that we have is disco.

From Longman Business Dictionary

approximationap·prox·i·ma·tion /əˌprɒksəˈmeɪʃənəˌprɑːk-/ noun [countableC]

1a number, amount etc that is not exact, but is intended to give an idea of the real number, amount etc

The figures are meant to be an approximation of the costs.

2something that is similar to another thing but not exactly the same

an approximation to the truth

ap·prox·i·ma·tion noun

Chinese

Syllable

Corpus

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