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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
define which is
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "define which is" is not correct and does not convey a clear meaning in written English.
It may be intended to clarify or specify something, but it lacks proper context and structure. Example: "Please define which is the correct procedure to follow in this situation."
⚠ May contain grammatical issues
Science
News & Media
Wiki
Alternative expressions(1)
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
9 human-written examples
It's certainly hard to define, which is a refreshing thing to be able to say about any act in 2011.
News & Media
"It's in the power of the government to define which is state secret and which is internal".
News & Media
In a storm with winds far beyond the speed of fast-lane highway traffic, the wind rips at the ocean so violently that it becomes impossible to neatly define which is which, said Dr. Kerry A. Emanuel, who is involved in the new research project and is a longtime researcher of hurricane behavior at the Massachusetts Institute of Technology.
News & Media
Even though, it is difficult to define which is the main cause of this variation, the microbial quality of manure and irrigation water are frequently cited (EFSA, 2014).
Thus, it is now important to better define which is the interplay between these two pathways during tumour progression and metastatic spread.
Science
The aim of this study was to define which is the best transfusion strategy in septic shock patients regarding 28-day mortality and clinical outcomes: restrictive or liberal.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
51 human-written examples
The search result will define which are the most cost-effective interventions to associate with the project of seismic improvement already underway.
Science
The first step for extracting relations between entities from web pages is to define which are our entities.
Science
Global statistics will help you define which are the leading models, notwithstanding their sphere of use.
Wiki
A simulation relation between programs is defined which is quasi-ordering.
Academia
A PET based new index was defined, which is called the thermally-perceivable environmental parameter difference.
Science
Expert writing Tips
Best practice
When aiming for precision, replace "define which is" with stronger verbs like "specify", "determine", or "establish" followed by a clause that clearly indicates what you're defining or choosing.
Common error
Avoid using "define which is" directly. It's often too vague. Instead, create a full sentence that includes a specific subject and object for your definition or specification.
Source & Trust
82%
Authority and reliability
2.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "define which is" aims to clarify or specify a selection. However, it often falls short due to its vagueness. Ludwig AI suggests that it is not grammatically correct, which impacts its effectiveness in formal communication.
Frequent in
Science
60%
News & Media
30%
Wiki
10%
Less common in
Formal & Business
0%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "define which is" is considered grammatically incorrect, as noted by Ludwig AI. While it attempts to clarify or specify something, its vagueness makes it less effective in formal writing. Better alternatives include "specify which is", "determine which is", or "establish what is", providing greater clarity and precision. Though examples exist across various sources like Science, News & Media, and Wiki, it is best practice to use clearer and more direct language. The contexts with more usage of the expression are: Science, News & Media and Wiki. The most authoritative sources that makes use of the expressions are The New York Times, The Guardian and ScienceDirect.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
specify which is
Highlights the act of stating something explicitly and in detail.
determine which is
Focuses on the act of finding out or establishing something definitively.
clarify what is
Focuses on making something easier to understand.
identify what is
Emphasizes recognizing or pointing out a particular thing.
establish what is
Emphasizes setting up or creating a clear understanding of something.
ascertain which is
Indicates finding something out for certain.
decide what is
Focuses on making a firm choice or judgment.
elucidate which is
Highlights making something clear and easily understood, often through explanation.
pinpoint what is
Emphasizes finding the exact thing.
resolve what is
Focuses on settling or finding a solution to something.
FAQs
How can I rephrase "define which is" to improve clarity?
You can use alternatives like "specify which is", "determine which is", or "establish what is" depending on the specific context. These options often provide a clearer and more precise expression.
Is "define which is" grammatically correct?
According to Ludwig AI, the phrase "define which is" is not considered grammatically correct and lacks clarity. Consider using stronger verbs and complete sentences for better communication.
What's the difference between "define which is" and "specify which is"?
While both aim to clarify, "specify which is" implies a more precise and detailed explanation compared to the vaguer "define which is". It emphasizes stating something explicitly and in detail.
What are some alternatives to "define which is" in academic writing?
In academic writing, consider using more formal and precise alternatives such as "determine which is", "establish what is", or "identify what is" to maintain a higher level of clarity and rigor.
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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
2.8/5
Expert rating
Real-world application tested