over an extended duration

USAGE SUMMARY

The phrase "over an extended duration" is correct and usable in written English.
It can be used to describe a situation or event that occurs for a long period of time. Example: "The project was delayed over an extended duration due to unforeseen circumstances."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

3 human-written examples

This is the first study in which simultaneous measurement of bacteria, viruses and turbidity removal at the batch level over an extended duration has been undertaken with a large number of replicate units to permit rigorous modeling of ISSF performance variability within and across a range of likely filter design configurations and operating conditions.

Water Research

The principle of refinement is also addressed by documenting individual variability (per dog data) that occurs over an extended duration [ 39].

BioMed Research International

It is characterized by a reaction of the periapical tissues to irritants diffusing at relatively low intensity and over an extended duration from an inflamed or necrotic pulp or a failed endodontic treatment [ 2].

BMC Oral Health

Human-verified similar examples from authoritative sources

Similar Expressions

57 human-written examples

And it will offer these Mitchell-Lama developments the opportunity to restructure and refinance their mortgages at a lower interest rate and for an extended duration.

The New York Times

The velocity seismograms for aftershock events of Mw ≥ 6.3 clearly demonstrate that significant ground motions continued for an extended duration.

Earth, Planets and Space

Nanoscale particles of magnesium oxides exist in the samples that have been solution treated with an extended duration.

Materials Science and Engineering: A

That Friedman has predicted an extended duration of Chinese economic growth does not necessarily mean that the Chinese economy is instead about to slow down, of course.

Huffington Post

Hibernation isn't a really long night's sleep though, it's an extended duration of something called torpor a controlled reduction of metabolic rate that reduces energy needs and allows an animal to go prolonged periods without eating.

Vice

A complete restoration occurred when rats were moved to an extended duration of resting condition.

Plosone

32 This prolongs the plasma concentration-time profile of dexlansoprazole and provides an extended duration of acid suppression, thereby increasing the mean intragastric pH and the percent of time intragastric pH >4 over 24 h.

Alimentary Pharmacology and Therapeutics

Valdecoxib is a highly effective oral analgesic with an extended duration of action in dental pain.

BMC Anesthesiology

Expert writing Tips

Best practice

When using "over an extended duration", ensure that the context clearly benefits from specifying a prolonged timeframe, rather than simply stating something happened "over time".

Common error

Avoid using "over an extended duration" when the context already implies a long period. For example, instead of saying "the study continued over an extended duration of years", simply state "the study continued for years".

Linguistic Context

The phrase "over an extended duration" primarily functions as an adverbial phrase, modifying verbs or clauses to specify the timeframe within which an action occurs or a state persists. As Ludwig AI confirms, this usage is grammatically correct. The examples provided by Ludwig illustrate its role in describing processes that unfold across a significant timespan.

Expression frequency: Rare

Frequent in

Science

75%

News & Media

16%

Formal & Business

0%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "over an extended duration" is a grammatically correct phrase used to emphasize that something occurs for a significant period of time. Ludwig AI's analysis shows the phrase is most commonly found in scientific and news contexts, indicating a preference for more formal writing. While acceptable, it's important to consider whether the duration is already implied to prevent redundancy. For more casual contexts, alternatives like "for a long time" may be more appropriate. Remember to focus on clarity and avoid using overly complex phrasing when simpler alternatives can convey the same meaning effectively.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

for a prolonged time

Changes the preposition and uses "time" instead of "duration", simplifying the expression.

for a considerable period

Replaces "extended duration" with "considerable period", offering a more general term.

over a lengthy span

Substitutes "extended duration" with "lengthy span", creating a slightly more vivid image.

during an extensive timeframe

Replaces "duration" with "timeframe" and "extended" with "extensive", sounding more formal.

throughout a drawn-out period

Uses "drawn-out" to emphasize the prolonged nature of the period.

across an elongated duration

Employs "elongated" to highlight the length of the duration, adding a visual element.

spanning a protracted interval

Replaces common words with more formal synonyms like "spanning" and "protracted".

covering a stretched-out timeline

Uses "stretched-out" to convey the idea of something being made longer.

lasting a significant while

Uses more common language and a less precise measure of time.

for an appreciable amount of time

Replaces "extended duration" with "appreciable amount of time", focusing on the perceived length.

FAQs

How can I use "over an extended duration" in a sentence?

Use "over an extended duration" to describe an event or process that takes place for a considerable length of time. For example: "The experiment was conducted "over an extended duration" to observe long-term effects."

What are some alternatives to "over an extended duration"?

Alternatives include "for a prolonged period", "for a considerable time", or "during an extensive timeframe". The best choice depends on the specific context and desired level of formality.

Is it more appropriate to say "over an extended duration" or "over a long period"?

"Over an extended duration" and "over a long period" are similar, but "over an extended duration" is often used in more formal or scientific contexts. "Over a long period" is generally suitable for more casual writing.

What is the difference between "duration" and "period" when discussing time?

"Duration" refers to the length of time something lasts, while "period" refers to a specific segment of time. You might say "the treatment lasted for an extended duration" or "the treatment was effective "over an extended period" of observation".