over a duration of

USAGE SUMMARY

The phrase "over a duration of" is correct and usable in written English.
It can be used to indicate the length of time during which something occurs or is measured. Example: "The project was completed over a duration of six months."

✓ Grammatically correct

Science

Academia

Wiki

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

The program is being sponsored by Abdul Latif Jameel Community Initiatives (ALJCI) via a significant grant over a duration of five years.

Massachusetts Institute of Technology

Using microscope images, we have estimated the Sauter mean size of the bubbles in wet foam, at specific time intervals, over a duration of 24 h.

Chemical Engineering Science

Pumping occurred from a fast-axis collimated 2D laser diode stack emitting at a wavelength of 970 nm, with 0.8 J over a duration of 0.8 ms.

Optics & Laser Technology

The enhanced flux is up to approximately 30 μg/(cm2 h) over 20 h and requires only a low-voltage application over a duration of just 60 s.

Journal of Pharmaceutical Sciences

These neo-Aristotelians (or Chicago school of critics), following the leadership of the critic Ronald S. Crane, have described plot as the author's control of the reader's emotional responses—his arousal of the reader's interest and anxiety and the careful control of that anxiety over a duration of time.

Britannica

It is shown that a slow and continuous increase in the IMF-Bz over a duration of few hours has a similar effect on the equatorial ionosphere as of a sudden northward turning of the IMF-Bz in causing an electric field through the polar region and then to the equator.

Advances in Space Research

These craters and the other large-scale geological features were formed over a duration of very roughly 2 Gyr while Eros was in the main asteroid belt, between the time when its parent body was disrupted and Eros was injected into an Earth-approaching orbit (probably tens of Myr ago).

Icarus

Each measurement scenario was recorded over a duration of 10 min for five different rounds.

EURASIP Journal on Wireless Communications and Networking

Therefore, source transmits over a duration of symbols and becomes silent as the relay transmits.

EURASIP Journal on Wireless Communications and Networking

We assume undirected networks and the number of events occurring over a duration of 1 month.

Human-centric Computing and Information Sciences

Human-verified similar examples from authoritative sources

Similar Expressions

1 human-written examples

This effect will be evaluated over a treatment duration of 12 months.

American Heart Journal

Expert writing Tips

Best practice

When describing the length of an event or process, use "over a duration of" to clearly specify the time frame. This adds precision to your writing, especially in scientific or technical contexts.

Common error

Ensure the verb tense aligns with the specified time frame. For example, use past tense for actions completed "over a duration of" a certain period in the past.

Linguistic Context

The phrase "over a duration of" functions as a prepositional phrase that modifies a noun or verb, specifying the length of time during which an action, event, or state occurs. As confirmed by Ludwig AI, the phrase is grammatically correct and widely applicable.

Expression frequency: Very common

Frequent in

Science

78%

Academia

9%

Wiki

4%

Less common in

Encyclopedias

1%

News & Media

3%

Formal & Business

0%

Ludwig's WRAP-UP

In summary, the phrase "over a duration of" is a grammatically sound and versatile prepositional phrase commonly used to specify the time span of events, processes, or activities. It is especially prevalent in scientific and academic writing where precision is valued. As Ludwig AI confirms, this phrase is correct and usable in written English. Alternatives like "during a period of" or "over the course of" can be used for stylistic variation, though "over a duration of" maintains a clear and formal tone. This phrase helps writers to provide temporal context and to describe when, and for how long, something occurs.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

during a period of

This alternative emphasizes a specific segment of time within a larger timeframe.

for a period of

This expresses a duration of time for which something happens or exists.

over a span of

This refers to the entire measurement from beginning to end.

within a timeframe of

This highlights that something occurs inside specific temporal boundaries.

spanning a time of

This emphasizes the entire length of time something covers or includes.

across a period of

This suggests movement or activity happening during the indicated length of time.

over the course of

This suggests that something happens gradually or progressively through time.

throughout the duration of

This stresses the entirety of the specified period.

lasting for

This focuses on the amount of time something endures.

extending for

This highlights how far something reaches in terms of time.

FAQs

How can I use "over a duration of" in a sentence?

Use "over a duration of" to specify the length of time an event, process, or activity takes. For example, "The study was conducted "over a duration of" six months."

What are some alternatives to "over a duration of"?

You can use alternatives like "during a period of", "for a period of", or "over the course of" to convey similar meanings.

Is it better to use "over a duration of" or "during a duration of"?

"Over a duration of" is generally preferred. "During a duration of" is less common and can sound awkward. It's more natural to say "during the period of" or "during the timeframe of".

What is the difference between "over a duration of" and "in a duration of"?

"Over a duration of" refers to the time span during which something occurs. "In a duration of" is less common but can refer to the time it takes for something to complete. For example, "The task was completed "in a duration of" five hours" emphasizes the completion time.