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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
by which the
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "by which the" is correct and usable in written English.
It is used as a subordinate clause to provide additional information about the subject of a sentence. Example: The project was completed by the team, by which the company was able to increase its profits by 20%.
✓ 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
57 human-written examples
Rather, it is the mechanism by which the fittest survive.
News & Media
This indicates the date by which the stones had fallen".
News & Media
The amount by which the economy will contract this year.
News & Media
There were several ruses by which the children were saved.
News & Media
The Insider is written by Which?, the independent consumer champion.
News & Media
The process by which the certificate is checked remains correct.
News & Media
The process is the same means by which the sun converts hydrogen to helium.
News & Media
The defense brief outlines the standards by which the police can initiate such contact.
News & Media
Herewith some of those jokes, by which the life of the jokester might be known.
News & Media
An action provides the principles by which the story is structured into a plot.
News & Media
Then, they designated benchmarks by which the university's progress could be measured over the years.
News & Media
Expert writing Tips
Best practice
When using "by which the", ensure that the clause clearly specifies the method, standard, or means by which something is accomplished. Clarity enhances the effectiveness of your writing.
Common error
Avoid using "by which the" in overly casual or informal writing. Opt for simpler alternatives like "how" or "through" to maintain a natural tone. In general, "by which the" sounds a little bit too formal in informal contexts.
Source & Trust
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "by which the" functions as a prepositional phrase introducing a relative clause. It modifies a noun, specifying the means, method, or standard related to the noun. Ludwig's examples show how it connects actions to their mechanisms.
Frequent in
News & Media
50%
Science
25%
Formal & Business
10%
Less common in
Encyclopedias
5%
Reference
5%
Social Media
5%
Ludwig's WRAP-UP
In summary, "by which the" is a prepositional phrase that introduces relative clauses, clarifying the method or means by which something occurs. Ludwig AI confirms its grammatical correctness and usability. While common in formal writing, such as news articles and scientific reports, it may sound out of place in informal settings. Remember to use simpler alternatives in casual contexts. Consider alternatives like "through which the" or "whereby the" for nuanced meanings. Proper usage enhances clarity and precision in your writing. Examples from authoritative sources highlight its versatility in conveying complex information.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
through which the
This alternative emphasizes the passage or movement from one point to another, whereas "by which the" indicates method or means.
whereby the
This alternative is often used in legal or formal contexts to indicate how something is accomplished.
via which the
Similar to "through which the", but can imply a more direct or simple route.
by means of which the
This alternative is more formal and explicitly states that something is achieved through a particular method.
through the mechanism of which the
Emphasizes the specific process or system that enables something, adding a layer of detail.
according to which the
This phrase highlights a standard or guideline that is being followed, differing slightly from the more general sense of "by which the".
by virtue of which the
This phrase suggests something happens because of a specific quality or power, which is a more nuanced meaning.
in accordance with which the
A formal alternative that stresses compliance with specific rules or procedures.
by operation of which the
Suggests a more automated or systematic process, differing in focus from a general method.
under which the
This implies a set of conditions or circumstances, which is a contextual difference.
FAQs
How can I use "by which the" in a sentence?
"By which the" is typically used to introduce a clause that explains the means or method by which something is achieved. For example, "This is the process "by which the" certificate is checked."
What are some alternatives to "by which the"?
Depending on the context, you can use alternatives such as "through which the", "by means of which the", or "whereby the" to convey a similar meaning.
Is "by which the" too formal for everyday conversation?
Yes, "by which the" is generally considered formal and is more suitable for academic, professional, or journalistic writing. Simpler alternatives are preferred in casual conversation.
What's the difference between "by which the" and "through which the"?
"By which the" generally refers to the method or standard used, while "through which the" emphasizes the pathway or process. The choice depends on whether you want to highlight the means or the route.
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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
89%
Authority and reliability
4.5/5
Expert rating
Real-world application tested