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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
three-year duration
Grammar usage guide and real-world examplesUSAGE SUMMARY
"three-year duration" is a grammatically correct and commonly used phrase in written English.
It is used to describe the length or time period of something that lasts for three years. Example: "The new contract has a three-year duration, giving us plenty of time to meet our goals and make a profit." Note: You can also use this phrase to describe something that has already lasted for three years, such as "The project has reached its three-year duration and will now come to an end."
✓ Grammatically correct
Academia
News & Media
Science
Formal & Business
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
14 human-written examples
Sophomores entering the program are assigned two dedicated mentors, who stay with that student for the three-year duration.
Academia
Many critics point out that the three-year duration of LTIPs is not enough to truly focus executives on a company's long-term interest.
Academia
The drought's incredible three-year duration has nearly depleted both the state's topsoil moisture and subsoil moisture reserves, according to Brad Rippey of the U.S. Department of Agriculture, who wrote the Drought Monitor report.
News & Media
Our Swiss bonds also have a roughly three-year duration.
News & Media
The renovation of the Guggenheim Museum, at 88th Street, for example, drew complaints about its three-year duration.
News & Media
Creed has enjoyed quite a career, especially considering its short three-year duration.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
46 human-written examples
Most LBO limited-partnership agreements provide for five years to invest the funds and a ten-year duration for the partnership.
News & Media
Netanyahu wants us to believe that the fifteen-year duration of the Iran deal is a historical "blink of an eye," as he told Congress in March.
News & Media
The evolutionary success of Tyrannosaurinae is also reflected in its 14 million-year duration, which includes the geologically oldest species of tyrannosaurid4.
Science & Research
Qualifications: We are particularly interested in recruiting students who are entering their junior year or earlier, with the hope that they will remain involved for the two-year duration of the project.
Throughout the grants' five-year duration, San Diego and Berkeley will provide rigorous quantitative and qualitative data to measure success, including specific metrics of retention, graduation and professional outcomes, and also by continuing dialogue with students.
Expert writing Tips
Best practice
When describing the length of a contract, project, or study, use "three-year duration" to clearly specify the timeframe.
Common error
Avoid using extra hyphens, like "three - year duration". Stick to the correct form, "three-year duration", where the hyphen connects "three" and "year" as a single adjective.
Source & Trust
87%
Authority and reliability
4.5/5
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Real-world application tested
Linguistic Context
The phrase "three-year duration" functions as a compound adjective modifying a noun. It specifies the length or period of time associated with the noun it describes. As Ludwig AI says, this phrase is grammatically correct.
Frequent in
News & Media
30%
Academia
25%
Science
25%
Less common in
Formal & Business
15%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "three-year duration" is a grammatically sound and commonly used expression to define the length of something, spanning a period of three years. As Ludwig AI confirms, its structure is correct and it finds relevance across diverse contexts including academia, news, science and business. When writing, it's more effective to maintain the standard hyphenation and consider contextually appropriate synonyms like "three-year period" to enhance clarity. Avoiding the common mistake of extra hyphens will improve the readability of your writing. With consistent usage across authoritative sources, "three-year duration" remains a reliable choice for specifying timeframes.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
duration of three years
Reverses the order of the words, emphasizing duration.
three-year period
Substitutes "duration" with the more common "period".
a period of three years
Adds "a" and changes the structure to emphasize the time period.
three-year term
Replaces "duration" with "term", implying a defined length.
three-year timeframe
Replaces "duration" with "timeframe", specifying the time boundaries.
a three-year span
Uses "span" instead of "duration", highlighting the range of time.
over three years
Focuses on the action occurring throughout the three years.
lasting three years
Emphasizes the continuous nature of something for three years.
for a period of three years
Expands on "a period of three years" to be more explicit.
36-month duration
Expresses the length of time in months rather than years.
FAQs
How can I use "three-year duration" in a sentence?
You can use "three-year duration" to describe the length of something, for example: "The study had a "three-year duration"".
What are some alternatives to "three-year duration"?
Alternatives include "duration of three years", "three-year period", or "a period of three years".
Is it better to say "three-year duration" or "duration of three years"?
Both phrases are grammatically correct. "Three-year duration" functions as an adjective phrase before a noun, while "duration of three years" is a noun phrase. The choice depends on the desired emphasis and sentence structure.
What is implied by stating something has a "three-year duration"?
Stating something has a "three-year duration" implies that the activity, contract, or project is expected to last for three years, providing a clear timeframe.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested