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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
a long duration of time
Grammar usage guide and real-world examplesUSAGE 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
Alternative expressions(20)
a prolonged timeframe
an extended period
a lengthy interval
a considerable amount of time
an extensive duration
a drawn-out process
a protracted period
for a sustained period
a significant stretch of time
a specified duration of time
a certain duration of time
a sufficient duration of time
a long duration of mare
a long duration of knee
a long duration of response
a prolonged period
a long duration of gaze
a long duration of recreation
a long amount of time
a long period of
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
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].
Science
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).
Science
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
The outbreak resulted in a significant loss of piglets, over a long duration of time and over multiple sheds.
Science
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
Hence, the transcribed heartbeat sounds provides useful information to monitor the behavior of a patient for the long duration of time.
Science
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.
Science
The study presents a long duration of response with a median time to progression of 15.1 months (Bates).
Science
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.
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.
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.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
an extended period
Focuses on the length of the period, omitting the word "time".
a prolonged timeframe
Uses more formal vocabulary to convey the idea of an extended period.
a lengthy interval
Replaces "duration" and "time" with synonyms emphasizing the gap between events.
a considerable amount of time
Emphasizes the substantial quantity of time involved.
an extensive duration
Uses "extensive" to highlight the magnitude of the duration.
a drawn-out process
Specifically refers to a process that takes longer than expected.
a protracted period
A more formal alternative, indicating a period that has been lengthened.
over an appreciable period
Focuses on the perceived significance or noticeability of the time span.
for a sustained period
Highlights the continuous or uninterrupted nature of the time span.
a significant stretch of time
Emphasizes the importance or impact of the extended period.
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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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
79%
Authority and reliability
4.1/5
Expert rating
Real-world application tested