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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
for a long duration
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "for a long duration" is correct and can be used in written English.
It is typically used to indicate a lengthy period of time. Example: I have been studying for a long duration and I feel confident about the exam tomorrow.
✓ Grammatically correct
News & Media
Science
Alternative expressions(17)
for an extended period
for a considerable time
for a considerable duration
for a lengthy duration
for a long spell
for a prolonged duration
for a sustained duration
for a specific duration
for a short duration
for quite some time
in the subsequent years
for many years
during those years
over the years
in the intervening years
throughout the years
these many years
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
57 human-written examples
"It was for a long duration.
News & Media
Their job was to give the Salyut 6 space station a thorough overhaul in readiness for a long duration crew the following spring.
News & Media
We believe Capita's valuation (the bottom of its 15-year range) offers an attractive entry point for a long duration compounder.
News & Media
"You've got to meet the game with a certain amount of tempo control, poise and know that you're in for a long duration and get the feel of the game, the referees and the whole bit," Jackson said.
News & Media
An appeal to the Supreme Court only be made for a long duration Public Safety Order and then the police do not have to disclose any criminal intelligence evidence.
News & Media
This type of balloon has a potential for a long duration in situ meteorological observation.
Science
E.g. exercise members of a national volcanic science advisory group, for a long duration volcanic unrest period.
One or more wells are pumped for a long duration (several days) and samples are taken during pumping.
Human-verified similar examples from authoritative sources
Similar Expressions
3 human-written examples
People from Virginia northward should be prepared for a "long-duration event," he said.
News & Media
To prepare the spacecraft for a long-duration mission involved trimming as much on-board weight as possible to offset the additional consumables required.
Wiki
However, those who participate in an organization often participate for a long duration.
Expert writing Tips
Best practice
When describing experiments or studies, use "for a long duration" to clearly indicate the length of the observation or treatment period. For example, 'The patients were monitored for a long duration to assess the long-term effects of the medication.'
Common error
Avoid using "for a long duration" when you actually mean something was done with high intensity or frequency. Duration refers to the length of time, not how often or intensely something happens.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "for a long duration" functions as a prepositional phrase, typically acting as an adverbial modifier. It specifies the extent to which an action, state, or condition persists. As confirmed by Ludwig, it is grammatically correct.
Frequent in
Science
47%
News & Media
28%
Wiki
8%
Less common in
Formal & Business
5%
Reference
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "for a long duration" is a grammatically sound and versatile prepositional phrase used to specify the length of time something occurs. Ludwig AI validates its correctness and provides numerous examples across diverse contexts. While it appears most frequently in scientific and news-related articles, its slightly formal tone makes it suitable for professional communication as well. When aiming for precision in describing the temporal extent of an event or condition, "for a long duration" is a reliable choice, although alternatives like "for an extended period" or "over a prolonged time" can offer variety.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
for an extended period
This alternative replaces 'long duration' with 'extended period', using different vocabulary to convey a similar meaning.
over a prolonged time
This alternative uses 'prolonged time' instead of 'long duration', emphasizing the length of the time involved.
during a lengthy period
Replacing 'long duration' with 'lengthy period' offers a slight variation in phrasing while maintaining the same meaning.
for a considerable time
This phrase substitutes 'long duration' with 'considerable time', suggesting a notable amount of time has passed.
across an extensive time frame
This option replaces the original phrase with 'extensive time frame', adding a more formal tone.
throughout a drawn-out process
This alternative focuses on a process that unfolds slowly over time, replacing 'duration' with 'process'.
for a protracted interval
Using 'protracted interval' instead of 'long duration' introduces a more formal and somewhat less common expression.
during an elongated timeframe
Similar to 'extended period', this option uses 'elongated timeframe' for a slightly different emphasis.
over an appreciable span
This phrase employs 'appreciable span' to indicate a significant and noticeable duration.
for a sustained stretch
The phrase swaps the original to focus on a continuing period with 'sustained stretch'.
FAQs
How can I use "for a long duration" in a sentence?
You can use "for a long duration" to describe how long something lasts, such as "The study observed the effects of the drug on patients "for a long duration"."
What are some alternatives to "for a long duration"?
Alternatives include "for an extended period", "over a prolonged time", or "during a lengthy period", depending on the context.
Is it better to say "for a long duration" or "for a long time"?
Both are correct, but "for a long duration" is often perceived as more formal. "For a long time" is generally more common in everyday conversation. The best choice depends on the context and your desired tone.
What's the difference between "for a long duration" and "for a short duration"?
"For a long duration" indicates something lasts a considerable amount of time, while "for a short duration" indicates something lasts only a brief amount of time. They are antonyms, describing opposite ends of the temporal spectrum.
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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
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested