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
an important duration
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "an important duration" is correct and usable in written English.
It can be used when referring to a significant period of time that holds relevance or importance in a specific context. Example: "The project requires an important duration of time to ensure all tasks are completed thoroughly."
✓ 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
1 human-written examples
Our study is the first to analyze patient-ventilator asynchronies in NAVA and PSV on such an important duration.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
Exceedance probabilities of practically important duration levels are estimated by the classical block maxima model for extremes and the point process model.
From the off-diagonal images, we can see that most of the channels exhibit an out of phase behavior mostly in the period 40-80 s corresponding probably to the important duration of the appearance of the seizure.
Nevertheless, our measure includes hallmark depressive symptoms, considers important duration and frequency criteria, and was used previously in at least one highly-cited study [ 18].
Science
This measure of depressive symptoms includes hallmark depressive symptoms, considers important duration and frequency criteria, and has been previously used in a large multi-country study covering all world regions [ 18].
Science
The duration of ESRD in the groups divided by the median MBL was not significantly different, an important point, since duration of haemodialysis increases MBL levels as demonstrated by Satomura et al. [ 20].
Science
Provider characteristics have been demonstrated to play an important role in duration of antibiotic prescriptions independent of severity of underlying disease, suggesting that high-prescribing physicians may be good targets for these types of ASP interventions [ 41].
Therefore, gene length should have an important impact on the duration of gene expression.
Science
In this respect, the length of duration of delirium seems to be an important prognostic factor: A longer duration of delirium is associated with worse global cognition and executive function [5].
Science
Self-catalyzed dephosphorylation is an important determinant of the duration of the response regulator activated state.
Science
How atomic structures respond to light pulses of different shape and duration – an important first step toward controlling chemical reactions with light.
Academia
Expert writing Tips
Best practice
When using "an important duration", ensure the context clearly explains why the duration is significant. Provide specific details or implications to emphasize its importance.
Common error
Avoid using "an important duration" without clearly outlining the reasons for its importance. Ensure that the context provides adequate justification for the claim; otherwise, the phrase might sound vague or unsubstantiated.
Source & Trust
83%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "an important duration" functions as an adjective phrase modifying the noun "duration". It describes a period of time that is significant or has a notable impact. As Ludwig AI points out, it is usable in written English.
Frequent in
Science
100%
Less common in
News & Media
0%
Formal & Business
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "an important duration" is grammatically sound and best suited for formal or scientific writing where emphasizing the significance of a time period is crucial. As noted by Ludwig, the phrase is correct and usable in written English. While examples are limited, this phrase conveys that the specified time is not just any period, but one that has noteworthy consequences. To maximize clarity, provide specific details about why the duration is important, this way you can avoid vagueness and to enhance the impact of your writing.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a significant time frame
Replaces "important" with "significant" and "duration" with "time frame" emphasizing the relevance of the period.
a crucial period
Substitutes "important" with "crucial", highlighting the critical nature of the duration.
a vital length of time
Uses "vital" instead of "important" to stress the essential nature and specifies "length of time" instead of just "duration".
a key timeframe
Emphasizes the importance by using the word "key".
a noteworthy timespan
Replaces "important" with "noteworthy" to highlight the period's deserving of attention.
a substantial amount of time
Focuses on the quantity of time involved while still implying importance.
a consequential duration
Replaces "important" with "consequential" pointing towards a period that has notable results.
a meaningful period
Uses "meaningful" in place of "important" to indicate the duration's significance.
a critical timeframe
Similar to "a crucial period", but uses "timeframe" for duration.
a considerable length
Focuses on the extent of the time while subtly suggesting its importance.
FAQs
How can I use "an important duration" in a sentence?
Use "an important duration" to describe a period of time that has a significant impact or relevance to the context. For example, "The experiment required "an important duration" of observation to gather accurate data."
What are some alternatives to using "an important duration"?
You can use alternatives like "a significant period", "a crucial timeframe", or "a vital length of time" depending on the context and the specific nuance you want to convey. Each alternative emphasizes slightly different aspects of the time period's importance.
Is it always necessary to specify why a duration is important when using the phrase "an important duration"?
While not strictly grammatically necessary, providing context for why a duration is important greatly enhances clarity and impact. Without context, the phrase can sound vague or unsubstantiated. For example, saying "The training program has "a crucial period" for skill development" is more effective than simply stating it's "an important duration".
What makes "an important duration" different from "a long duration"?
"A long duration" simply refers to the length of time, whereas "an important duration" emphasizes the significance or impact of that time. Something can be of "a critical timeframe" without being particularly long, and vice versa.
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
4.1/5
Expert rating
Real-world application tested