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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
length during which
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "length during which" is correct and usable in written English.
It can be used to describe a specific duration of time in which an event or action occurs. Example: "The length during which the project was delayed caused significant budget overruns."
✓ Grammatically correct
Science
News & Media
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
11 human-written examples
Then there is a bit of varying length, during which the midwife goes, "Let's just see how you get along," and you (depending on your pain threshold, yik yak) say, "Yes, OK," or "I would like an epidural pretty soon".
News & Media
IsoFA + 7EO appeared to show a certain amount of persistence; most laboratories experienced a lag phase of some length during which the inoculums adapted to the substrate.
For a section of infrastructure in a given direction, occupancy demand consists of the vehicles to be carried, each corresponding to an elementary time length during which a given point-wise spot is occupied.
The crack width was calculated from the number of cracks and the deformation of the gauge length, during which it was assumed that all of the deformation occurred due to the opening of the crack caused by the relatively small deformation of the matrix after cracking.
Duration of response preparation is ±400 ms. Based on these data, the onset times of tpTMS in the present study varied between 400 and 1900 ms, in steps of 300 ms. There was a total of 8 experimental blocks of the same length during which tpTMS was applied at different pseudo-randomized time points on the scalp positions.
Science
Each visit will be approximately 2.5 h in length, during which we will measure the mental and social capacities of children and adolescents who have suffered a concussion.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
49 human-written examples
It should be noted here that the dates of D s and D e in Fig. 6 is important to explicitly include the effects of environmental variations on the amount of carbon storage, because these dates determine the length of duration during which surplus production is accumulated as carbon stores.
Firstly, we define the mobility, epoch lengths are exponential and the parameter is λ, and an epoch is a random length interval during which a node moves in a constant direction at a constant speed, then there is E x approx pleft{mathrm{Epoch} mathrm{length}le xright}=1-{e}^{-lambda x} (9).
Tune into BBC 3 at 11.45pm for Family Guy Blue Harvest, a double length episode during which Peter Griffin tells the family a spoof Star Wars story.
News & Media
The assumption of independence between excitatory and inhibitory inputs is based on the fact that we are restricted to a time interval of length d, during which none of the inhibitory inputs is the result of feedforward inhibition from one of the excitatory inputs.
The operating principle of a CCA-based MAC consists of three steps, as depicted in Figure 2. Prior to any transmission, the radio remains in receive-mode for a time window of length TCCA, during which it measures the average received power.
Expert writing Tips
Best practice
When describing a study or experiment, clearly define the "length during which" data was collected to ensure transparency and reproducibility.
Common error
Be precise when using the phrase "length during which". Ensure it's clear what event or process occurred during that specific time period to avoid confusion.
Source & Trust
80%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "length during which" functions as an adverbial modifier, specifying the duration or extent of time associated with an action or event. As Ludwig AI explains, it is a correct and usable phrase. Examples in Ludwig illustrate its use in both scientific and general contexts.
Frequent in
Science
80%
News & Media
15%
Encyclopedias
5%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "length during which" serves to define a specific period of time in which an event or action takes place. According to Ludwig AI, the phrase is grammatically correct and acceptable for use in writing. It is most commonly found in scientific and news-related contexts, offering a formal tone when specifying timeframes in research, reports, and articles. While there are alternative phrases like "duration throughout which" and "period throughout which", it's essential to maintain clarity and precision when describing the temporal aspects of a subject. Using this phrase correctly ensures effective communication by clearly indicating the duration of the activity or process in question.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
duration throughout which
Changes the word choice and emphasis to 'duration' while maintaining the core meaning.
period throughout which
Replaces 'length' with 'period' to denote a segment of time.
time span in which
Uses 'time span' to refer to an interval, offering a different structural approach.
interval when
Replaces the phrase with a simpler 'interval when', reducing complexity.
phase in which
Substitutes 'length' with 'phase' focusing on a stage or part of a process.
stretch of time when
Uses a more descriptive phrase, emphasizing a continuous period.
time frame in which
Replaces 'length' with 'time frame' indicating boundaries of time.
the amount of time that
Breaks down the original phrase into a more verbose but similar expression.
the extent to which
Shifts the focus to the degree or measure, rather than strictly temporal duration.
the measure of time that
Emphasizes measurement and temporal aspect.
FAQs
How can I use "length during which" in a sentence?
Use "length during which" to specify a duration when an action, event, or state occurs. For example, "The length during which the experiment ran was crucial for data collection."
What phrases are similar to "length during which"?
You can use alternatives such as "duration throughout which", "period throughout which", or "time span in which" depending on the context.
Is there a more concise way to express "length during which"?
In some cases, simpler phrases like "interval when" or "phase in which" can be used, but ensure the meaning remains clear.
How does the "length during which" affect the interpretation of results?
The "length during which" a study or process occurs is a critical factor in interpreting results, influencing the scope and validity of findings. It should always be clearly defined.
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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
4.1/5
Expert rating
Real-world application tested