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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
validity duration
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "validity duration" is correct and usable in written English.
It can be used to refer to the length of time that something is considered valid or effective, such as a contract, offer, or certification. Example: "The validity duration of this coupon is six months from the date of issue."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(4)
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 parameters for each scope contain numerical scope ID (integer) and its validity duration (seconds).
Additionally, we were able to measure the validity duration of the RRSIGs of the found traversed names by subtracting the expiration field by its inception field.
Science
Moreover, an LV scoped removal candidate item would have spent most of its validity duration in the cache and thus given a good chance to result in a cache-hit.
Human-verified similar examples from authoritative sources
Similar Expressions
57 human-written examples
However, different types of contextual information have varying temporal validity durations and a varied spectrum of access frequencies as well.
Firstly, different types of contextual data have varying validity durations i.e. a certain scope of context information (location, activity, Wi-Fi, weather, etc).
This use of two different cache replacement policies suited to the scope validity durations of the data items results in an improved performance and provides a fairly constant mean query satisfaction time across all scope distribution patterns.
We have already established the usefulness of caching contextual data in principle in our earlier work [13], but did not analyze the effect of variance in the scope validity durations in detail.
But since these data items have shorter validity durations, by the time they are removed due to the OF policy they would be closer to the expiry instant and hence been offered a greater chance of generating a cache-hit by spending most of their validity period in the cache.
The dynamic factor considers the message validity (maximum duration of the message).
Improvements are planned on two levels: Firstly, on the operational level where consular cooperation shall be revised, especially to be capable to pursue the strived flexibility regarding the validity and duration of visa which should serve as reward for those migrants who are acting compliant to the rules.
Surveys were pilot tested internally with an informed audience for face validity and duration, and adjustments were made to ensure clarity and respect of the allotted time.
Science
Expert writing Tips
Best practice
When writing about formal agreements or certifications, specify the "validity duration" clearly to avoid ambiguity. For instance, "The certification has a "validity duration" of three years."
Common error
Avoid using "validity duration" interchangeably with "validity" alone. "Validity" refers to the state of being valid, while "validity duration" specifies the length of time that validity persists. Always clarify the timeframe when needed.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "validity duration" primarily functions as a noun phrase specifying the length of time something remains valid. This aligns with Ludwig's observation that it refers to the length of time that something is considered valid or effective.
Frequent in
Science
67%
News & Media
17%
Formal & Business
16%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, "validity duration" is a grammatically sound noun phrase that specifies the length of time something remains valid. While not as common as alternatives like "period of validity", it serves a clear purpose in formal and scientific contexts. Ludwig confirms that it's used to refer to the length of time that something is considered valid or effective. When using this phrase, ensure clarity and avoid confusion with similar terms like "validity" or "expiration date". Its usage is infrequent and mainly occurs in scientific and formal contexts.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
period of validity
This alternative directly replaces "duration" with "period", keeping the core meaning unchanged.
duration of validity
Reorders the words to emphasize the "duration" aspect while maintaining the exact same meaning.
validity timeframe
This alternative replaces duration with timeframe, implying a specified period.
effective period
Focuses on when something is effective, implying a validity period.
term of validity
Uses "term" instead of "duration", referring to the length of time something is valid.
expiration period
Emphasizes the period before something expires or becomes invalid.
shelf life
This term is usually applied to physical products, and denotes the length of time for which an item remains usable, fit for consumption, or saleable.
time of validity
Reorders the words to emphasize the "time" aspect while maintaining a similar meaning.
validity window
Replaces "duration" with "window", implying a limited time frame of validity.
period of effectiveness
Replaces both "validity" and "duration" to highlight the time span when something is effective.
FAQs
How is "validity duration" used in a sentence?
You might use "validity duration" when referring to the length of time a license, certificate, or agreement is valid. For example, "The license has a "validity duration" of one year from the date of issue."
What's a more common way to express "validity duration"?
While "validity duration" is grammatically sound, phrases like "period of validity" or "duration of validity" are frequently used.
Is it necessary to specify the "validity duration" in a contract?
Yes, specifying the "validity duration" is crucial in contracts to avoid disputes about when the agreement expires. Without a defined "validity duration", the terms of the agreement could be open to interpretation.
What is the difference between "validity duration" and "expiration date"?
"Validity duration" refers to the length of time something is valid, while "expiration date" is the specific date on which it ceases to be valid. The "validity duration" helps determine the "expiration date".
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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
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested