for which duration

USAGE SUMMARY

The phrase "for which duration" is a correct and usable phrase in written English.
You can use it when referring to a period of time in order to ask or specify how long something should or will last. For example: "What are your hours of operation, and for which duration?".

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

3 human-written examples

The median duration of all occurrences of all event types for which duration was known was 3 days.

BMC Psychiatry

In the absence of information on duration of exposure, 20 years was assumed, representing the average found in studies for which duration was reported.

Environmental Health Perspectives

Although cerebral glycogen stores have been shown to exceed arterial blood glucose levels by three- to four-fold during euglycaemia in healthy controls [ 60], reflecting an additional valuable energetic reserve, it is unclear to what extent and for which duration glycogenolysis can fuel energy-requiring processes under pathological conditions.

Critical Care

Human-verified similar examples from authoritative sources

Similar Expressions

57 human-written examples

Meteorological drought is a stochastic phenomenon for which exact duration and area affected cannot be predicted (Bayat et al. 2015).

International Journal of Disaster Risk Science

However, the slides for which the duration was from 1 to 10 s were eliminated from the data, because the learners did not read the contents (just skipped).

Research and Practice in Technology Enhanced Learning

There are 11 768 cases in our sample for which IPI duration is unknown.

BJOG: An International Journal of Obstetrics and Gynaecology

The included studies were all randomized parallel trials for which the duration was 6 to 26 weeks.

Alzheimer's Research and Therapy

Seventeen of the bitches for which the duration of the whelping was recorded experienced a parturition exceeding 12 hrs.

Acta Veterinaria Scandinavica

Among 18 patients, for which the duration of postsurgical antibiotic treatment was limited to less than 6 weeks, we observed no cases of recurrence.

BMC Infectious Diseases

This may have inflated incidence rates for destinations for which travel duration was longer than average and deflated incidence rates for destinations for which it was shorter than average.

BMC Infectious Diseases

The dynamic method is well established in numerous engineering tests and applications, such as thermophysical property measurements, and it offers advantages in clinical applications, for which the duration of the measurement and the ease of use are critical.

Clinical, Cosmetic and Investigational Dermatology

Expert writing Tips

Best practice

When using "for which duration", ensure the context clearly defines what the duration refers to. Avoid ambiguity by specifying the subject or event whose length is being discussed.

Common error

Avoid using "for which duration" when referring to a specific point in time. This phrase is best suited for periods or lengths of time, not instantaneous moments.

Linguistic Context

The phrase "for which duration" functions as a relative clause, modifying a noun by specifying or inquiring about its length or time span. Ludwig confirms its grammatical correctness and provides examples in context.

Expression frequency: Rare

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, the phrase "for which duration" is a grammatically sound and usable relative clause, albeit relatively uncommon. As Ludwig AI confirms, it serves to specify or inquire about the length or period associated with something, predominantly within formal and scientific contexts. When employing this phrase, ensure clarity and precision in defining what the duration refers to, and consider more common alternatives like "lasting for how long" for less formal situations. While its frequency is low, its precise nature makes it useful in academic and technical writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

for what timeframe

A more concise alternative, using timeframe in place of the full phrase.

for what length of time

Replaces "duration" with a more descriptive phrase, maintaining a similar level of formality.

during what span of time

Replaces "duration" with "span of time", providing a slightly more descriptive alternative.

lasting for how long

Focuses on the period of time something continues, rather than the duration itself.

over what period

Highlights the time span involved, shifting emphasis slightly from the inherent duration.

how long does it last

Expresses the concept as a question, focusing on the period of existence.

through what time frame

Emphasizes the boundaries within which something occurs, rather than the length.

for how extensive a period

Uses "extensive" to describe the period, implying a considerable length.

how much time elapses

Highlights the passing of time, rather than the measured duration.

for what portion of time

Focuses on the amount of time relative to a whole, rather than the total duration.

FAQs

How can I use "for which duration" in a sentence?

You can use "for which duration" to specify the length of time something lasts or is intended to last. For example: "The study included trials "for which duration" was between 6 to 26 weeks".

What are some alternatives to "for which duration"?

Alternatives include "lasting for how long", "for what length of time", or "during what span of time", depending on the specific nuance you wish to convey. Reviewing the context helps choose the best alternative.

Is "for which duration" formal or informal?

"For which duration" leans towards the formal side. For less formal contexts, consider using phrases like "how long does it last" or "what's the time frame".

When is it appropriate to use "for which duration"?

Use "for which duration" when you want to specify or inquire about the length of time that something occurs, particularly in scientific, technical, or formal writing. For example, specifying the "duration of exposure" in a study.