Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
for the specified duration
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "for the specified duration" is correct and usable in written English.
You can use it when referring to a particular time frame that has been defined or agreed upon in a context, such as contracts or schedules. Example: "The service will be available for the specified duration, ensuring that all users have access during that time."
✓ Grammatically correct
Science
News & Media
Alternative expressions(20)
for the designated period
for the period stipulated
during the specified timeframe
within the designated period
for the period indicated
for indicated hours
allotted timeframe
during the designated hours
for subsequent hours
for the mentioned period
during the specified time
during the period in question
for the indicated period
for the designated length
for the allotted time
for the duration asked for
for the indicated term
within the prescribed timeframe
for the period determined
for the period ended
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
3 human-written examples
The function generates a signal with zeros for the specified duration.
Science
For all scenarios each school, once closed, remains closed for the specified duration.
Science
For the purpose of our simulations, the observed variations in states' statutes and pandemic plans are captured in five "types": Type I represents uniform statewide school closure order based on a standard threshold of statewide prevalence with all schools implementing closure within 1 day and remaining closed for the specified duration.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
Overall, the actual time for which a stimulus was displayed was significantly longer than the specified duration.
Science
A failure is the inability of a system, subsystem, component, or part to perform its required function under specified conditions for a specified duration.
The video simply records for a specified duration after movement is no longer detected.
Science
Hence, the design of a sensor network should not only provide some guarantees that all data from the sensor nodes are gathered at the base station, even in the presence of some faults, but should also allow the network to remain functional for a specified duration.
Science
A unit hydrograph (Sherman 1932) is defined as the hydrograph of direct runoff resulting from a unit depth of effective rainfall (ER) occurring uniformly over the basin and at a uniform rate for a specified duration.
Science
A repaired unit is as good as new and performance wise for a specified duration.
Each GTS is reallocated when it is no longer required, or when it has not been used for a specified duration.
"If you turn your head beyond a certain angle for a specified duration while moving over a certain speed, it will remind you your eyes should be on the road.
News & Media
Expert writing Tips
Best practice
When using "for the specified duration", ensure the duration is clearly defined elsewhere in your document or context to avoid ambiguity.
Common error
Avoid using "for the specified duration" without actually specifying the duration. Always provide the exact timeframe to maintain clarity and prevent confusion.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "for the specified duration" functions as a prepositional phrase, modifying a verb or noun by indicating a period of time. It clarifies the length of time something occurs, remains valid, or is in effect. According to Ludwig, it is a correct and usable phrase.
Frequent in
Science
60%
News & Media
30%
Formal & Business
10%
Less common in
Encyclopedias
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "for the specified duration" is a prepositional phrase used to indicate a defined period. It is grammatically correct and most frequently found in scientific and formal contexts. When using this phrase, it's important to ensure that the duration is clearly defined to avoid ambiguity. According to Ludwig AI, this phrase is correct and usable in written English, and it is useful for setting clear expectations regarding the length of time something is valid or effective. Common alternatives include "for the designated time" and "for the allotted period".
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
for the designated time
Replaces 'specified' with 'designated', implying a formally assigned or indicated time.
for the allotted period
Uses 'allotted' instead of 'specified', suggesting a portion of time that has been allocated.
for the predetermined timeframe
Substitutes 'specified' with 'predetermined', indicating a timeframe decided in advance.
during the established term
Replaces 'specified duration' with 'established term', suggesting a more formal or official timeframe.
throughout the indicated period
Employs 'indicated' instead of 'specified', highlighting that the period has been pointed out or made known.
for the agreed-upon length of time
Replaces 'specified duration' with a more descriptive phrase, emphasizing mutual agreement on the time period.
for the defined interval
Uses 'defined' instead of 'specified', stressing that the interval has clear boundaries.
for the prescribed term
Substitutes 'specified' with 'prescribed', implying that the term is set by a rule or authority.
during the stipulated timeframe
Replaces 'specified' with 'stipulated', indicating that the timeframe is a condition or requirement of an agreement.
within the set timeframe
Employs 'set' rather than 'specified', implying a timeframe that has been fixed or arranged.
FAQs
How can I use "for the specified duration" in a sentence?
You can use "for the specified duration" to indicate that something will last for a particular amount of time that has been previously determined. For example, "The warranty is valid "for the specified duration", as outlined in the contract".
What are some alternatives to "for the specified duration"?
Alternatives include "for the designated time", "for the allotted period", or "during the established term". The best choice depends on the specific context.
Is it correct to say "for the specified duration"?
Yes, "for the specified duration" is grammatically correct and commonly used. However, always ensure that the duration is clearly identified to avoid any ambiguity. It is considered a correct phrase according to Ludwig AI.
What does "specified duration" mean?
"Specified duration" refers to a period of time that has been precisely stated or defined. It implies that the length of time is not arbitrary but determined by a particular agreement, rule, or condition.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested