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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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a long duration of time

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "a long duration of time" is correct and usable in written English.
You can use it to reference a period of time that is significant or lasting. For example, "He has been working on this project for a long duration of time."

✓ Grammatically correct

Science

Wiki

News & Media

Human-verified examples from authoritative sources

Exact Expressions

10 human-written examples

Their properties were compared in different experiments in which scaffolds containing PPy showed good mechanical properties, higher protein adsorption and higher percentage of VCM release over a long duration of time compared to non-conductive scaffolds.

The literature survey of CNT shows recovery over a long duration of time, i.e., more than 12 h [24].

To test our assumption regarding stationary nature if the received signal strength two rooms were arbitrarily chosen and the signal was measured for a long duration of time.

Durable finishing is generally achieved by the slow-release method, in which the treated fabrics slowly release the oil molecules for a long duration of time (Halim et al. 2011).

Therefore, studies that collect for a long duration of time may capture different dynamics compared to studies utilizing trials that occur over shorter time intervals.

Science

Plosone

The outbreak resulted in a significant loss of piglets, over a long duration of time and over multiple sheds.

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Human-verified similar examples from authoritative sources

Similar Expressions

50 human-written examples

The excess risk among individuals who are exposed for a relatively long duration of time is in the order of 25%, as compared with individuals who are exposed at a background level (e.g., nobody is completely unexposed to second-hand smoke, although the situation might change in the future because of the ban of smoking in public settings).

There is no galaxy so distant that we cannot envision its light arriving after an arbitrarily long duration of time.

News & Media

Forbes

Hence, the transcribed heartbeat sounds provides useful information to monitor the behavior of a patient for the long duration of time.

Given the long duration of time to PF/POM, prognostic markers such as these should help in stratifying patients in clinical trials and in devising more effective customized therapies for advanced PCa.

The study presents a long duration of response with a median time to progression of 15.1 months (Bates).

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Expert writing Tips

Best practice

When using "a long duration of time", consider the context and whether a more specific term (e.g. "years", "decades", or "centuries") would be more impactful and precise.

Common error

While grammatically correct, "a long duration of time" can sometimes be redundant. Consider alternatives that imply the length, such as "a prolonged period" or "an extended timeframe", which can make your writing more concise.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

79%

Authority and reliability

4.1/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "a long duration of time" functions as an adverbial phrase, modifying a verb or clause by specifying the length of an action or state. It indicates that something occurs or persists for an extended period. Ludwig AI confirms its correctness and usability.

Expression frequency: Common

Frequent in

Science

65%

Wiki

15%

News & Media

10%

Less common in

Formal & Business

5%

Academia

5%

Reference

0%

Ludwig's WRAP-UP

The phrase "a long duration of time" is a grammatically correct and commonly used expression to indicate an extended period. However, it's crucial to consider the context and whether more specific language or concise phrasing would enhance clarity. As Ludwig AI confirms, this phrase is suitable for various contexts, ranging from scientific writing to general-purpose communication. While its usage is widespread, exploring alternatives such as "a prolonged timeframe" or "an extended period" can enhance the precision and impact of your writing. Remember to avoid redundancy and choose the most appropriate expression for the intended emphasis.

FAQs

How can I rephrase "a long duration of time" to sound more formal?

For a more formal tone, consider using phrases like "a prolonged timeframe" or "an extended period". These alternatives often suit academic or professional writing.

Is it better to use "period" or "duration" when talking about time?

Both "period" and "duration" refer to lengths of time, but "duration" emphasizes the length itself, while "period" refers to a specific segment. Choose the word that best fits the intended emphasis in your sentence.

What's a concise way to say "a long duration of time"?

For brevity, you might use "a lengthy interval" or "an extended period". These options omit redundant wording while retaining the meaning.

When is it appropriate to use "a long duration of time" in writing?

Use "a long duration of time" when you want to generally emphasize that something lasts for a significant amount of time, without needing to specify the exact length. Be mindful of redundancy, and consider more precise alternatives when possible.

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Real-world application tested

Most frequent sentences: