duration of

USAGE SUMMARY

"duration of" is correct and usable in written English.
You can use it when you want to specify the length of time something has been taking place, is taking place, or will take place. For example: "The duration of the project is 12 months."

✓ Grammatically correct

News & Media

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

(Duration of crush: seventeen seconds).

The New Yorker

(Duration of crush: five minutes).

The New Yorker

The duration of protection is unknown.

Encyclopedia Britannica

(Duration of crush: forty-five minutes).

The New Yorker

The duration of the operations remains unclear.

The New York Times

(Duration of crush: thirty-three seconds).

The New Yorker

The duration of exposure also matters.

The New York Times

6 months (recommended duration of breast feeding)?

The Economist

The duration of the expulsion is indefinite.

The Guardian

It also takes into account the duration of property leases.

The New York Times

They will be sequestered for the duration of the trial.

The New York Times

Expert writing Tips

Best practice

When using "duration of", ensure the noun it modifies clearly indicates what is being measured in time. For instance, "duration of the study" is more specific than just "duration".

Common error

Be careful not to use "duration of" in contexts where the subject is unclear. Always specify what the duration refers to, such as "duration of treatment" rather than just "duration".

Linguistic Context

The phrase "duration of" functions as a prepositional phrase that modifies a noun, specifying the length of time associated with it. As Ludwig AI indicates, it's a standard and grammatically sound construction.

Expression frequency: Common

Frequent in

News & Media

36%

Science

36%

Wiki

12%

Less common in

Encyclopedias

4%

Formal & Business

4%

Social Media

0%

Ludwig's WRAP-UP

In summary, "duration of" is a grammatically correct and commonly used phrase to specify the length of time associated with something, as confirmed by Ludwig AI. It's most frequently found in News & Media and Scientific contexts. When using this phrase, ensure clarity by specifying what the duration refers to. Consider alternatives like "length of time" or "period of" depending on the specific meaning you want to convey. Remember, specify the duration clearly. The usage pattern suggests it is best suited for neutral to formal contexts.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

length of time

This alternative replaces "duration" with "length of time", emphasizing the measurement of time.

period of

Using "period of" focuses on a specific span or segment of time.

time frame of

"Time frame of" specifies a defined period within which something occurs.

span of

"Span of" highlights the extent or range of time involved.

term of

"Term of" refers to a defined or fixed period, often in contractual or official contexts.

extent of time

This phrase elaborates on "duration" by specifying "extent", which means the degree to which something lasts.

course of

"Course of" emphasizes the progression or flow of time during which something happens.

interval of

Using "interval of" refers to the space between two points in time.

time span of

"Time span of" indicates the range between a start and end time.

cycle length of

Relates to duration when dealing with cyclical events, emphasizing the length of each cycle.

FAQs

How do I use "duration of" in a sentence?

Use "duration of" to specify the length of time something lasts. For example, "The duration of the meeting is two hours" or "What is the duration of your stay"?

What can I say instead of "duration of"?

You can use alternatives like "length of time", "period of", or "time frame of" depending on the context.

Is "duration of time" redundant?

While "duration" inherently implies time, using "duration of time" isn't strictly incorrect but can be redundant. It's often clearer to simply use "duration of" followed by the event or activity, such as "duration of the experiment".

What's the difference between "duration of" and "length of"?

"Duration of" generally refers to the entire time something exists or continues, while "length of" can refer to physical length as well as time. "Duration of the concert" specifies the whole concert time, while "length of the song" also specifies the whole length, but could also refer to the written score.