extended period

USAGE SUMMARY

"extended period" is correct and usable in written English.
You can use it to refer to a length of time that is longer than usual, often to refer to a length of time for which something will remain in effect. For example, "The new rules will remain in effect for an extended period of time."

✓ Grammatically correct

Science

Science & Research

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Conversely, if they do not see patients for an extended period, they will not be very good physicians.

Science Magazine

Another option is to complete medical school and residency training before doing an extended period of supervised research.

Science Magazine

And like I said before, it isn't my objective to stay here for an extended period of time.

Science Magazine

This routine could persist for the next 6 months, Callas said, and controllers must be prepared not to hear from the rover for an extended period.

Science Magazine

The first quarter of 2003 marked the second straight quarter of declining investments, and continued an extended period of tepid investments.

Science Magazine

Most cause disease in humans, suggesting that the virus has ancient origins and that its pathogenicity has been present for an extended period.

Science Magazine

"But there's almost nothing in the literature on historical trends in roadkills, because surveys typically last a season or two, not an extended period of years".

Science Magazine

… A mentoring relationship develops over an extended period, during which a student's needs and the nature of the relationship tend to change.

Science Magazine

Geologists have long thought these rocks were remnants of lava from an extended period of widespread volcanic activity and that the ancient supercontinent split much later.

Science Magazine

Simply filling a resume hole probably will not be enough to land a job following an extended period of unemployment, however.

Science Magazine

"The dean of the college that was responsible for the chemistry department shut down research for some extended period of time" to investigate the incidents, he says.

Science Magazine

Expert writing Tips

Best practice

When describing research studies or experiments, use "extended period" to clearly specify a longer-than-average duration for observation or data collection. This adds precision to your methodology section.

Common error

Be mindful not to use "extended period of time" when "extended period" suffices. The addition of "of time" is often redundant and can make your writing sound less concise. Opt for the simpler, more direct phrasing.

Linguistic Context

The phrase "extended period" functions primarily as a noun phrase, often serving as an adverbial modifier to indicate the duration of an action or state. As Ludwig AI confirms, it's grammatically correct and frequently used in varied contexts.

Expression frequency: Very common

Frequent in

Science

50%

Science & Research

30%

News & Media

10%

Less common in

Formal & Business

5%

Encyclopedias

3%

Wiki

2%

Ludwig's WRAP-UP

In summary, "extended period" is a grammatically sound and widely used phrase to describe a duration longer than usual. As Ludwig AI confirms, it is suitable for various contexts, particularly in scientific and academic writing, where precision is crucial. Remember to avoid redundancies like "extended period of time" when "extended period" suffices. Consider alternatives such as "lengthy duration" or "prolonged time" depending on the specific nuance you wish to convey. With a high source quality score and expert rating, using "extended period" effectively enhances clarity and detail in your writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

lengthy duration

Replaces "period" with "duration" and "extended" with "lengthy", emphasizing the duration's considerable length.

prolonged time

Substitutes "extended" with "prolonged", highlighting the continuation of time.

long-lasting interval

Emphasizes the duration and continuation of the time frame using "long-lasting" and "interval".

sustained phase

Replaces "period" with "phase" and "extended" with "sustained", indicating continuation and stability.

protracted span

Uses "protracted" to highlight the lengthy nature and duration of the time "span".

considerable stretch of time

Adds emphasis to the amount of time, making it appear significantly long with the words "considerable stretch".

significant duration

Highlights the importance and length of the duration.

long timeframe

Simple substitution, changing period to timeframe and extended to long.

elongated timeframe

Replaces "period" with "timeframe" and "extended" with "elongated", indicating the timeframe has been stretched out.

long haul

More colloquial expression for a lengthy undertaking or situation.

FAQs

How do I use "extended period" in a sentence?

You can use "extended period" to describe a duration that is longer than usual. For example, "The study observed the effects of the drug over an "extended period" to assess long-term side effects."

What phrases are similar to "extended period"?

Alternatives include "lengthy duration", "prolonged time", or "sustained phase". The best choice depends on the specific nuance you want to convey.

Is it correct to say "extended period of time"?

While grammatically correct, "extended period of time" can sometimes be redundant. Often, "extended period" is sufficient and more concise. Consider the context to determine if "of time" adds necessary clarity.

What is the difference between "extended period" and "brief period"?

"Extended period" indicates a duration that is longer than average, while "brief period" suggests a short duration. The choice between them depends on the actual length of time you are describing. For example, in a research context, you might say that “symptoms alleviated after "brief period" of treatment” or “symptoms persisted during "extended period" of treatment”.