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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
period of unavailability
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "period of unavailability" is correct and usable in written English.
It can be used to describe a specific timeframe during which someone or something is not accessible or operational. Example: "Please note that there will be a period of unavailability for the website during the scheduled maintenance."
✓ Grammatically correct
News & Media
Science
Wiki
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
2 human-written examples
(Flicker Alley; Blu-ray, $34.95; not rated) The Dawn Patrol A major early work by one of the most important American filmmakers, Howard Hawks's 1930 "Dawn Patrol" has returned, thanks to the Warner Archive Collection, after a long period of unavailability.
News & Media
During the period of unavailability on home video, the film was re-released in UK cinemas in June 1994.
Wiki
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
Periods of unavailability "appropriately applied", and, although evidence was not always available, no areas of concern were highlighted.
News & Media
Periods of unavailability at NHS Lothian have "dropped significantly" in the last year to one of the lowest in Scotland.
News & Media
In March 2012, a report said "excessive and inappropriate" use had been made of periods of unavailability, including retrospective changes to patient records.
News & Media
This scheduling problem is modeled as a non-permutation hybrid flow shop with an assumption that providers have specific periods of unavailability.
Diagnostic and prognostic services provide information to the maintenance decision support system that leads to reduce the periods of unavailability and determine if future missions of complex systems can be carried out.
Science
This study aimed to observe changes in P. aeruginosa resistance rates in patients with hospital-acquired infections (HAIs) following a period of cefepime unavailability in an ICU.
Coordinated responses in all tissues upon nutrient stress ensure the survival of an organism in periods of food unavailability.
Science
Animal density fluctuations during the post inoculation period were not dampened due to the conservative assumptions of unavailability of real-time measurements of density by stage.
Science
Owing to the intermittent solar irradiance from cloud cover in the diurnal period and unavailability at night time, the practical design of a solar system requires energy backup storage for an uninterrupted supply or for off-grid operation.
Science
Expert writing Tips
Best practice
When specifying a "period of unavailability", be clear about the start and end times to avoid confusion. For example: "The server will experience a period of unavailability from 10:00 PM to 2:00 AM."
Common error
Avoid using "period of unavailability" without specifying what exactly will be unavailable. Always clarify the specific service, system, or resource that will be affected.
Source & Trust
83%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "period of unavailability" functions as a noun phrase, specifying a duration when something is not accessible or operational. Ludwig examples confirm its use to denote scheduled maintenance or unforeseen interruptions.
Frequent in
Science
38%
News & Media
33%
Formal & Business
6%
Less common in
Wiki
3%
Unknown/unmatched sources
0%
Encyclopedias
0%
Ludwig's WRAP-UP
The phrase "period of unavailability" is a grammatically sound and generally acceptable way to describe a timeframe during which something isn't accessible. According to Ludwig, its usage spans various contexts, including science, news, and formal communications. While other terms like "downtime" or "time of inaccessibility" exist, "period of unavailability" offers a formal alternative. Remember to specify the resource and duration clearly for effective communication.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
time of non-availability
Simple rephrasing with "availability" changed to "non-availability".
time of inaccessibility
Replaces "unavailability" with a synonym, focusing on the state of being not accessible.
duration of downtime
Emphasizes the period when a system or service is not operational.
lapse in service
Highlights a temporary interruption or failure of a service.
spell of non-functionality
Focuses on the period when something is not working or functioning correctly.
temporary absence
Indicates a short-term lack of presence or access.
outage duration
Specifically refers to the length of time something is out of service.
interval of non-operation
Highlights that a certain process or machine doesn't function for a specific time.
phase of non-accessibility
Focuses on the time something is unavailable or not reachable.
temporary suspension
Suggests a planned or forced short-term interruption.
FAQs
How can I use "period of unavailability" in a sentence?
You can use "period of unavailability" to describe a timeframe when something is not accessible or functional. For example: "There will be a "period of unavailability" during the scheduled maintenance."
What's the difference between "period of unavailability" and "downtime"?
"Period of unavailability" is a more formal and general term, while "downtime" is often used specifically in the context of technology or machinery. You could use "downtime" in situations where a system or service is temporarily out of operation.
What are some alternatives to "period of unavailability"?
Alternatives include "time of inaccessibility", "duration of downtime", or "lapse in service" depending on the specific context.
Is it better to say "period of unavailability" or "time of unavailability"?
Both phrases are grammatically correct and have similar meanings. "Period of unavailability" may sound slightly more formal. You can also use "time of non-availability" as an alternative.
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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
83%
Authority and reliability
4.3/5
Expert rating
Real-world application tested