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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
that is operational
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "that is operational" is correct and usable in written English.
It can be used to describe something that is functioning or in a state of operation, often in technical or business contexts. Example: "The new software update has been successfully installed, and the system that is operational is now running smoothly."
✓ Grammatically correct
News & Media
Science
Academia
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
19 human-written examples
Managers at the nation's roughly 450 commercial airports "recognize that the next challenge will be moving from a largely airline-centric program in operation at a handful of airports to one that is operational for large numbers of travelers at airport facilities across the country," said Charles M. Barclay, the president of the American Association of Airport Executives.
News & Media
Development of a lac inducible system with a linear response that is operational in mycobacteria requires the understanding of the basics of repressor operator interaction.
Science
"We live next to a Fenway Park that is operational 24 hours a day, seven days a week.
News & Media
We meet at Catherine's beautiful London town house, which is currently being overhauled; the one room that is operational serves as the office from which she runs Pact, a charity she set up to help victims of abduction.
News & Media
Angiolymphoid hyperplasia with eosinophilia has been documented in HIV patients and likely represents the sequela of a Th2 immune dysregulatory cytokine milieu that is operational in human immunodeficiency virus infection.
Academia
We meet at Catherine's beautiful London town house, which is currently being overhauled; the one room that is operational serves as the office from which she runs Pact, a charity she set up to help victims of abduction.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
41 human-written examples
"Currently we have about 300 stores in the region that are operational," said Phil Caruso, a spokesman for pharmacy chain Walgreens.
News & Media
The two other Predators went down in Iraq on Aug. 27 and Sept. 11, leaving the Air Force with only six that are operational.
News & Media
That project has been entrusted to a media division that was operational well before the caliphate was formally declared in 2014.
News & Media
"The trend has been to maintain the post offices that are operational while saving money at the same time," said Sue Brennan, a spokeswoman for the service.
News & Media
CoRoT (Convection Rotation et Transits planétaires), a French planet-hunting satellite that was operational from 2007 to 2013, cost €175m ($220m).
News & Media
Expert writing Tips
Best practice
When describing systems or processes, use "that is operational" to clearly indicate they are functioning as intended. For example, "Ensure that all safety mechanisms that is operational are regularly inspected."
Common error
Avoid using "that is operational" when a simpler term like "working" or "available" suffices. Overusing formal language can make your writing sound stilted. For example, instead of "The elevator that is operational is located near the entrance," try "The working elevator is near the entrance."
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that is operational" functions as a relative clause modifying a noun, indicating the state or condition of something. It specifies that the noun it modifies is capable of functioning or is currently in use, adding crucial detail about its current status. Ludwig AI confirms its standard use.
Frequent in
News & Media
34%
Science
44%
Academia
13%
Less common in
Encyclopedias
2%
Wiki
5%
Formal & Business
2%
Ludwig's WRAP-UP
The phrase "that is operational" is a commonly used phrase to indicate that something is in a functioning or ready-to-use state. Ludwig AI confirms that it's grammatically correct and widely accepted. Analysis of its usage reveals that it's most prevalent in scientific and news media contexts. While straightforward, writers should be mindful of using simpler alternatives where appropriate, to avoid sounding overly formal. Related phrases include "which is functioning" and "that is available". Expert linguistic analysis rates its correctness and reliability highly.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
which is functioning
Replaces 'operational' with a synonym that also describes the ability to perform a task.
which is working
Simple substitution, keeping the same meaning.
which is in service
Indicates something is available for use or actively being used.
that is up and running
Emphasizes the state of being active and functional.
that is active
Indicates something is currently in use or in a state of operation.
that is available
Highlights the accessibility and readiness for use.
that is ready for use
Specifies that something is prepared and suitable for its intended purpose.
which is in effect
Indicates that something is currently active and producing results.
which is effective
Highlights the successful or intended outcome of something.
that is implemented
Emphasizes that the process or system has been put into effect.
FAQs
How can I use "that is operational" in a sentence?
Use "that is operational" to specify that something is currently functioning or ready for use. For example, "The only factory "that is operational" is currently at full capacity."
What are some alternatives to "that is operational"?
Alternatives include "which is functioning", "that is up and running", or "that is available" depending on the specific context.
Is it better to say "that is operational" or "that is operating"?
"That is operational" implies readiness and ability to function, while "that is operating" implies ongoing activity. Use "that is operational" when highlighting functionality and "that is operating" when describing active use.
What does "operational" mean in the phrase "that is operational"?
In this context, "operational" means capable of functioning, in service, or ready for use. It indicates that something is in a state where it can perform its intended function.
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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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested