rough approximations

USAGE SUMMARY

The phrase "rough approximations" is correct and usable in written English.
It can be used when discussing estimates or calculations that are not exact but provide a general idea of a value or measurement. Example: "The rough approximations of the project's costs suggest we may need to adjust our budget."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Both maps are rough approximations.

The Economist

So many small details seemed clutched at rather than squarely met, so many entrances rough approximations.

The New York Times - Arts

Any projections, though, are bound to be rough approximations given the atypical circumstances.

The Guardian

Such linear calculations, of course, can only be very rough approximations.

The Economist

Grid: Used to make rough approximations of relative distance between retinal lesions.

Stanford University

First, we propose novel definitions of multi-source rough approximations and corresponding multi-granulation rough approximations, probability distribution and basic probability assignment, which can be used to construct the connection between rough approximations and evidence theory.

Knowledge-Based Systems

American intelligence officials estimate that it might field an intercontinental missile by 2015, but such forecasts are always rough approximations.

The New York Times - Science

Apart from some kinds of baking, most recipes work perfectly well with rough approximations of the quantities.

The Guardian - Lifestyle

By using these knowledge in neighborhood system, the rough approximations and the corresponding properties are discussed.

Knowledge-Based Systems

Current population estimates are therefore rough approximations, which show that Pashtuns comprise about two-fifths of the population.

Encyclopedia Britannica

Energy Department officials said cost increases were to be expected because the original estimates were rough approximations.

The New York Times

Expert writing Tips

Best practice

When using "rough approximations", acknowledge the lack of precision to manage expectations. For example, state: 'These are rough approximations and should not be used for critical decision-making.'

Common error

Avoid presenting "rough approximations" as definitive facts. Always qualify them as estimates to prevent misinterpretation.

Linguistic Context

The phrase "rough approximations" functions as a noun phrase, typically serving as the object of a verb or preposition. It describes estimates or calculations that are not exact but provide a general understanding. As Ludwig AI confirms, this phrase is usable in English.

Expression frequency: Very common

Frequent in

Science

41%

News & Media

40%

Academia

5%

Less common in

Encyclopedias

2%

Formal & Business

2%

Reference

0%

Ludwig's WRAP-UP

The phrase "rough approximations" is a common and grammatically sound expression used to describe estimates or calculations that are not precise. As Ludwig AI indicates, the phrase is correct and usable in written English. It is frequently used in science, news media, and academic contexts to convey inexact estimations, with primary function being to highlight a lack of precision while still providing a general understanding. When using this phrase, it's important to acknowledge its limitations to avoid misinterpretations. Alternative phrases such as "ballpark figures" or "estimated values" can be used depending on the context. High quality examples are extracted from authoritative sources like The New York Times, The Economist, and scientific publications.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

approximate figures

Similar to "rough approximations" but may imply slightly more precision.

ballpark figures

Refers to a general estimate, often used in business or financial contexts; implies less precision.

estimated values

Highlights that the values are not precise but are based on calculations or assumptions.

preliminary estimates

Indicates that the estimates are initial and subject to change as more data becomes available.

tentative figures

Implies the figures are provisional and subject to revision.

crude estimates

Suggests a lack of refinement or precision in the estimation process.

broad estimates

Emphasizes that the estimates cover a wide range and may not be detailed.

guesstimates

Informal term for estimates based on guesswork or limited information.

rule-of-thumb calculations

Estimates based on practical experience rather than precise mathematical formulas.

order-of-magnitude estimates

Indicates estimates that are accurate to the nearest power of ten, useful for quick assessments.

FAQs

How can I use "rough approximations" in a sentence?

You can use "rough approximations" to indicate that your estimates are not precise. For example: "The project's cost is based on "rough approximations" and may change as we gather more data."

What are some alternatives to "rough approximations"?

You can use alternatives like "ballpark figures", "estimated values", or "approximate figures" depending on the context.

When is it appropriate to use "rough approximations"?

It's appropriate to use "rough approximations" when you need to provide an estimate but lack precise data or when a detailed calculation is not necessary. This is common in initial planning stages or quick assessments.

Are "rough approximations" reliable?

While "rough approximations" are not perfectly accurate, they can provide a useful general idea. Always acknowledge their limitations and avoid using them for decisions requiring high precision.