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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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five-year duration

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "five-year duration" is correct and usable in written English.
It can be used to describe a specific length of time, typically in contexts such as contracts, projects, or commitments. Example: "The project is set to have a five-year duration, ensuring ample time for completion and evaluation."

✓ Grammatically correct

Formal & Business

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

7 human-written examples

Welfare was limited to a five-year duration, the earned income tax credit was substantially increased and some funds went towards day care.

My portfolio of bank preferreds, 10-year AA muni paper and corporate bonds of low investment grade and five-year duration gained approximately 20% year to date.

News & Media

Forbes

Duffy distinguished between different levels of longevity in office design -- from the five-year duration of the scenery of the office interiors through 15 years for services to 60-year life span of the building shell.

News & Media

Huffington Post

For the five-year duration of the project, DFID will contribute US$62.88 million, UNICEF's own contribution will be $9.3 million and GOB will invest $16.9 million.

Formal & Business

Unicef

Activities and projects within these six programmes were budgeted at a total cost of US$1488 million over the five-year duration of the Country Programme.

Formal & Business

Unicef

The incremental cost-effectiveness ratio for raltegravir plus OBT compared with OBT alone was US$2,1339 and US$45,077 per quality-adjusted life year gained for one- and five-year duration of raltegravir use, respectively.

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Human-verified similar examples from authoritative sources

Similar Expressions

53 human-written examples

The renovation of the Guggenheim Museum, at 88th Street, for example, drew complaints about its three-year duration.

News & Media

The New York Times

Less famously, Lt. James Langhorne of the 4th Virginia Infantry lamented to his mother, "I think our country is doomed to a civil war of years duration".

News & Media

The New York Times

Longchamps is their biggest account; of 30 years' duration.

News & Media

The New Yorker

Habits of two million years duration are hard to break".

News & Media

The New Yorker

Many mobile phone contracts have a two year duration.

News & Media

TechCrunch
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Expert writing Tips

Best practice

When specifying the length of a project, contract, or study, use "five-year duration" to clearly define the time commitment.

Common error

Avoid replacing "duration" with more complex or less precise terms when "five-year duration" clearly communicates the intended meaning.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "five-year duration" functions as a noun phrase, where "five-year" acts as a compound adjective modifying the noun "duration". Ludwig AI indicates this phrase is grammatically sound and commonly used.

Expression frequency: Uncommon

Frequent in

Science

33%

News & Media

33%

Formal & Business

33%

Less common in

Encyclopedias

0%

Social Media

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "five-year duration" is a grammatically correct and functional term used to specify a period of five years. Ludwig AI confirms its validity and usability in various contexts. Primarily found in formal, business, scientific and news settings, the phrase clearly indicates the length of projects, contracts, or studies. Alternative phrases include "five-year term" and "five-year period". When employing this phrase, ensure clarity by avoiding overly complex substitutions and always using the phrase to accurately describe the intended time frame.

FAQs

How can I use "five-year duration" in a sentence?

You can use "five-year duration" to specify the length of a project, contract, or study. For example: "The project is set to have a "five-year duration", ensuring ample time for completion and evaluation."

What can I say instead of "five-year duration"?

You can use alternatives like "five-year term", "five-year period", or "five-year timeframe" depending on the context.

Is it correct to say "a duration of five years" instead of "five-year duration"?

Both phrases are grammatically correct, but "five-year duration" is more concise and commonly used. "A duration of five years" is also acceptable but can sound more formal in certain contexts.

What is the difference between "five-year duration" and "five-year life span"?

"Five-year duration" refers to the length of an activity or project. "Five-year life span" usually refers to the expected lifetime of an object or organism. While sometimes interchangeable, context is crucial.

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Source & Trust

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Authority and reliability

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Real-world application tested

Most frequent sentences: