Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
after a duration
Grammar usage guide and real-world examplesUSAGE SUMMARY
"after a duration" is correct and usable in written English.
You can use this phrase to talk about the amount of time that has passed since something happened. Example sentence: After a duration of 10 months, I finally finished my degree.
✓ Grammatically correct
Science
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
15 human-written examples
Node 0 will probe the channel after a duration exponentially distributed with rate λ.
After a duration of ½ 12 years (median 3 4 years) the nodules eventually disappear and the pruritus ceases.
It was concluded that all types of organic materials used in mortar adversely affected its compressive strength, especially after a duration of 180 days.
An increase in oxygen consumption was observed at pH 5, 6 and 7 after a duration of 12 h in our study.
We compared the initial fabricated state (rectangular dotted line), the charged state due to negative ions exposure X-labeled dottexposure X-labeledteadottedte after a duration of time had passed with the ionizer off (triangulinedotted line).
After a duration of 0.05 seconds from the beginning of μG, the sample was released from the sample holder in a gas medium that was contained in the vacuum chamber.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
45 human-written examples
Strange things have happened in the annals of genocide, though not after that long a duration of mutual tolerance.
News & Media
The pore diameter in this sample is approximately 40 nm after pore widening for a duration of 40 min.
Science
The analysis in Model III of Table 3 also suggested a beneficial effect of statin after a short duration of its use for <2 years, which persisted after a prolonged duration of ≥2 years.
Science
Of the 193 patients, 29.6% (95% CI 24.1%-37.124.1%-37.1%ained in clinic (after a median duration of follow-up of 33 months), 23.1% (95% CI 17.8%-29.917.8%-29.9%chafter (after a median duration of follow-up of 10 months), and 44.2% (95% CI 38.6%-52.638.6%-52.6%d (after a median duration of follow-up of 9 months).
Science
To adapt to these truths, the Pentagon is apparently migrating toward a modified version of the approach that the Soviets came to as they prepared to withdraw after a similar duration of their own war.
News & Media
Expert writing Tips
Best practice
When using "after a duration", ensure the length of time is clearly defined either before or after the phrase for better clarity. For example, "After a duration of six months, the study concluded."
Common error
Avoid using "after a duration" without specifying the actual duration. Phrases like "after a duration" without context can confuse the reader. Instead, be specific such as "After a duration of three weeks..".
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "after a duration" functions as a prepositional phrase that modifies a verb or noun, indicating when something occurs in relation to a specific length of time. As confirmed by Ludwig AI, its grammatical structure is correct and usable.
Frequent in
Science
80%
News & Media
12%
Formal & Business
8%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "after a duration" is a grammatically sound and commonly used phrase that serves to specify the time elapsed before a certain event occurs. Ludwig AI confirms its correct usage and applicability in written English. Predominantly found in scientific and formal contexts, it provides a clear temporal marker. For improved clarity, it's advisable to always specify the length of the duration. Alternatives such as "following a period" or "subsequent to a time" can be used to introduce variety in writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
following a period
Replaces "duration" with "period", offering a slightly more general term for the length of time.
after a specific timeframe
Replaces "duration" with "timeframe", adding a sense of definiteness.
subsequent to a time
Uses more formal vocabulary ("subsequent to") to convey the same meaning.
after an elapsed time
Focuses on the passing of time with the word "elapsed".
following a lapse of time
Highlights the passage of time with the word "lapse".
after an interval
Substitutes duration with interval, suggesting a break or pause.
once a certain time has passed
Emphasizes the completion of the time period as a condition.
following a stretch of time
Uses 'stretch of time' to indicate the duration, implying continuity.
upon the completion of a time
Focuses on the end of the duration, signaling the start of something else.
once a time span concludes
Uses "time span" for duration and "concludes" to denote ending, creating a more formal tone.
FAQs
How can I use "after a duration" in a sentence?
You can use "after a duration" to specify the time elapsed before an event occurs. For example, "After a duration of one year, the contract was renewed."
What are some alternatives to using "after a duration"?
Alternatives include "following a period", "subsequent to a time", or "once a certain time has passed", depending on the desired level of formality.
Is it more appropriate to say "after a duration of time" or "after a period of time"?
Both "after a duration of time" and "after a period of time" are grammatically correct. The choice often depends on the specific context and desired level of formality, with "period" often sounding slightly more general.
Which is correct: "after a duration" or "following a duration"?
Both phrases are grammatically sound and their usage frequently overlaps. However, in formal writing, it may be preferable to choose "following a duration" or "after a period", depending on the precise meaning you wish to convey.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested