for an extended duration

USAGE SUMMARY

The phrase "for an extended duration" is correct and usable in written English.
You can use this phrase when you want to describe an activity that lasted longer than usual or than expected. For example, "I worked on this project for an extended duration to ensure quality results."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

29 human-written examples

Even when the trigger is removed, persister bacteria may retain their phenotype for an extended duration.

Nature

But when the vortex is disrupted, an ordinary winter can suddenly turn severe and memorable for an extended duration.

The Washington Post

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

An interactive technology that is proprietary can enable a firm to generate economic rents from the innovation for an extended duration of time.

Journal of Interactive Marketing

"Because the storm is a relatively slow mover, this region can expect extreme hurricane conditions for an extended duration well into the day Wednesday in the U.S. Virgin Islands and, over Puerto Rico, perhaps into Wednesday night," he added.

The Washington Post

The objective of this study was to investigate the skeletal and dental changes in patients treated with a reinforced banded Herbst appliance for an extended duration and fixed appliance therapy.

American Journal of Orthodontics and Dentofacial Orthopedics

Human-verified similar examples from authoritative sources

Similar Expressions

31 human-written examples

A few recent studies have found indications of the effectiveness of inpatient psychotherapy for depression, usually of an extended duration.

BMC Psychiatry

While some countries, such as Germany and the UK, have in the past resorted to expenditure rules as a mechanism to curb fiscal deficit, none of them did so through a constitutional amendment or for such an extended duration.

The Guardian - Opinion

It is associated with rapid onset of action – within 14 minutes for some men – and an extended duration of action for up to 12 hours.

Clinical interventions in aging

For the incubations using an extended duration of preincubation, serum-containing medium (final FCS concentration 10%) was added after 3 h.

Plosone

A two-way sensitivity analysis found that for a test with an extended duration of sensitivity (15 years) the number of AD cases avoided was 6,000-7,000 cases for a test with higher sensitivity and specificity (0.90,0.90).

BMC Medical Informatics and Decision Making

Expert writing Tips

Best practice

When describing research findings or experimental conditions, use "for an extended duration" to clearly communicate that the process or observation occurred over a significant period.

Common error

Be mindful not to use "for an extended duration" when the context already implies a prolonged timeframe. For example, avoid saying "the long-term study lasted for an extended duration"; instead, simply state "the long-term study showed..."

Linguistic Context

The phrase "for an extended duration" functions as an adverbial phrase, modifying verbs or clauses to specify the length of time an action or state persists. It answers the question 'how long?' and provides temporal context. As Ludwig AI confirms, this phrase is correct and usable in written English.

Expression frequency: Uncommon

Frequent in

Science

60%

News & Media

30%

Formal & Business

10%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, the phrase "for an extended duration" is a grammatically correct and usable adverbial phrase, as affirmed by Ludwig AI. It is employed to emphasize the prolonged nature of an action, process, or state. While generally suitable for formal and neutral contexts, it's most commonly found in scientific and news publications. Alternatives like "for a prolonged period" or "over an extended timeframe" can be used depending on the specific nuances you want to convey. Remember to avoid redundancy and ensure the context warrants its use. By understanding its function, purpose, and register, you can effectively incorporate "for an extended duration" into your writing to add clarity and precision.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

for a prolonged period

Replaces 'extended duration' with 'prolonged period', maintaining the meaning but with a slightly different emphasis.

for a lengthy time

Substitutes 'extended duration' with 'lengthy time', indicating a long but possibly indefinite period.

over an extended timeframe

Replaces 'duration' with 'timeframe', adding a sense of planning or observation over time.

for a considerable span

Uses 'considerable span' instead of 'extended duration', suggesting the length of time is noteworthy.

for a substantial stretch

Replaces 'extended duration' with 'substantial stretch', implying a significant continuous period.

for an appreciable amount of time

Emphasizes that the duration is easily noticeable or measurable.

throughout a drawn-out period

Implies a process or situation that lasts longer than desired or expected.

for an expansive interval

Uses more formal language to denote a large or broad time period.

for an age

An informal way of saying a long time, but less precise than "for an extended duration".

for an unusually long time

Highlights the exceptional length of the period in question.

FAQs

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

You can use "for an extended duration" to describe actions, processes, or states that last longer than usual or expected. For example, "The medication needs to be taken "for an extended period" to achieve optimal results."

What are some alternatives to saying "for an extended duration"?

Alternatives include "for a prolonged period", "for a lengthy time", or "over an extended timeframe". The best choice depends on the specific context.

Is it more formal to say "for an extended duration" or "for a long time"?

"For an extended duration" is generally considered more formal than "for a long time". The former is often preferred in academic or professional writing, while the latter is suitable for informal contexts.

Can "for an extended duration" be used to describe both past and future events?

Yes, "for an extended duration" can be used to describe events in the past, present, or future. For example, "The treatment was effective for an extended duration" (past), "The machine is designed to operate for an extended duration" (present/future).