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
that we call
Grammar usage guide and real-world examplesUSAGE SUMMARY
The part of the sentence 'that we call' is correct and can be used in written English.
You can use this in a sentence to introduce an explanation of what something is known as, for example: "The natural process that we call photosynthesis is essential to the survival of plants."
✓ Grammatically correct
News & Media
Science
Alternative expressions(3)
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
60 human-written examples
Because of that, we call them saints.
News & Media
We shoot extra jokes that we call "alts".
News & Media
Well, in China you can do that; we call that the "authoritarian dividend".
News & Media
Stories that we call myths.
News & Media
It's a D.I.Y. project that we call home.
News & Media
We have a regular meeting that we call Blue Sky.
News & Media
There's a location there that we call Heath's Place".
News & Media
She begins by suggesting that we call the elderly "olders".
News & Media
I recommended that we call her husband, as I think family humiliation would be punishment enough.
News & Media
I mean, the fact that we call it knights is neither here nor there.
News & Media
My heart is praying for the community that we call home".
News & Media
Expert writing Tips
Best practice
Use "that we call" to introduce a specific term or phrase, ensuring clarity and avoiding ambiguity.
Common error
While "that we call" is acceptable, overuse can make your writing sound repetitive. Consider using synonyms like "known as" or "termed" for variety.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "that we call" functions as a relative clause introducing a term or label. It is commonly used to clarify or define a specific concept or entity, as evidenced by Ludwig AI's grammatical assessment and the example sentences.
Frequent in
Science
34%
News & Media
43%
Formal & Business
10%
Less common in
Academia
2%
Encyclopedias
1%
Reference
1%
Ludwig's WRAP-UP
In summary, "that we call" is a versatile phrase functioning as a relative clause to introduce and define specific terms or concepts. Ludwig AI confirms its grammatical correctness and widespread use. While it appears most frequently in scientific and news contexts, it's suitable for a wide range of writing styles. To avoid repetition, consider using synonyms such as "known as" or "termed". Its primary function is to provide clarity and ensure shared understanding by labeling something with its accepted name.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
what we know as
Indicates a common or widely recognized name or term.
which we term
Focuses on the act of naming or labeling something in a specific way.
the way we refer to
Highlights the manner in which something is addressed or mentioned.
the term we apply to
Focuses on the application of a specific word or phrase to describe something.
what we designate as
Emphasizes a formal or official assignment of a name or title.
the name we assign to
Emphasizes the act of giving a particular name or designation.
the label we give to
Emphasizes the act of assigning a descriptive term to something.
the expression we use for
Highlights the specific word or phrase employed to refer to something.
as it's known among us
Suggests a name or term used within a specific group or community.
the nomenclature for
Refers to the system of names or terms used in a particular field or context.
FAQs
How can I use "that we call" in a sentence?
Use "that we call" to introduce a specific term or phrase. For example, "The process "that we call photosynthesis" is essential for plant life."
What are some alternatives to "that we call"?
Alternatives include "known as", "termed", or "designated as". The best choice depends on the specific context.
Is it better to use "that we call" or "which we call"?
Both "that we call" and "which we call" are grammatically correct, but "that we call" is generally preferred in restrictive clauses (clauses that are essential to the meaning of the sentence).
What's the difference between "that we call" and "what we call"?
"That we call" introduces a specific term within a defining clause, while "what we call" can refer to something more general. For example, "The phenomenon "that we call global warming" is a serious threat" versus "What we call common sense isn't always so common."
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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested