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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
instruments by which
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "instruments by which" is correct and usable in written English.
It can be used to refer to tools or methods that facilitate a particular action or process. Example: "The researchers developed several instruments by which they could measure the impact of climate change on local ecosystems."
✓ Grammatically correct
News & Media
Encyclopedias
Science
Academia
Alternative expressions(20)
the means by which
modalities by which
the route to
directions by which
date by which
modes by which
the process through which
the way that
decision by which
approach by which
method by which
operation by which
the mechanism through which
how
way in which
procedures by which
the procedure for
manner in which
the manner in which
the system under which
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
Those are the instruments by which we operate".
News & Media
Treaties, however, are not the only instruments by which international agreements are concluded.
Encyclopedias
Ron Carlson, a beautiful short-story writer and novelist, said that "details are the instruments by which we steer".
News & Media
The pilot also has an array of instruments by which to check the condition of flight, the engine, and other systems and equipment.
Encyclopedias
He worked as a hedge-fund analyst at Fortress Investment Group before moving on to fine instruments, by which he has been obsessed since childhood.
News & Media
Covenants have rarely been the actual instruments by which societies actually functioned for long, but they are extremely frequent as ideological foundations for sociopolitical legitimacy.
Encyclopedias
Human-verified similar examples from authoritative sources
Similar Expressions
41 human-written examples
It is the instrument by which the past asserts its right over the present.
News & Media
A lady in a sparkly dress claims to be the instrument by which Maria Callas now sings.
News & Media
The instrument by which Keogh is alleged to have been damaged are rates approved by the Commission.
Academia
It is a 360-degree evaluation instrument by which bosses, peers, direct reports, clients, and sometimes even family members assess a leader according to seven social intelligence qualities.
News & Media
Proxy, a term denoting either a person who is authorized to stand in place of another or the legal instrument by which the authority is conferred.
Encyclopedias
Expert writing Tips
Best practice
Use "instruments by which" when you want to emphasize the specific tools or methods employed to achieve a particular outcome, especially in formal or technical contexts.
Common error
Avoid using "instruments by which" in casual conversation or informal writing. Simpler alternatives like "how" or "through which" are often more appropriate.
Source & Trust
89%
Authority and reliability
4.4/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "instruments by which" functions as a prepositional phrase, introducing the means or tools utilized to accomplish something. As Ludwig confirms, it is grammatically correct and serves to specify the mechanisms facilitating an action or process. The examples showcase how it connects a subject with the methods used to achieve a particular outcome.
Frequent in
News & Media
30%
Encyclopedias
25%
Science
25%
Less common in
Academia
15%
Wiki
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, "instruments by which" is a grammatically sound phrase used to denote the tools, methods, or means by which something is achieved. As confirmed by Ludwig, this phrase is most appropriate in formal writing, such as academic papers, technical reports, and news articles, rather than casual conversation. While phrases like "means by which" and "tools by which" serve as good alternatives, the choice depends largely on the context. While considered generally correct, overuse in less formal settings should be avoided for stylistic reasons. The varied examples demonstrate the versatility of the phrase across different domains, while its frequency remains relatively uncommon.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
means by which
Replaces "instruments" with a more general term for method.
tools by which
Substitutes "instruments" with "tools", emphasizing a practical application.
methods through which
Replaces "instruments" with "methods" and "by which" with "through which", altering the structure slightly.
processes by which
Changes "instruments" to "processes", highlighting a series of actions.
systems by which
Replaces "instruments" with "systems", focusing on organized structures.
mechanisms by which
Substitutes "instruments" with "mechanisms", emphasizing functional parts.
devices by which
Replaces "instruments" with "devices", suggesting a more technical implementation.
ways in which
Uses a broader term, "ways", for the means of achieving something.
techniques through which
Focuses on specific procedures or techniques used.
approaches through which
Highlights the strategies used to achieve a goal.
FAQs
How can I use "instruments by which" in a sentence?
Use "instruments by which" to indicate the means or tools used to achieve a specific outcome. For example, "Treaties are the "instruments by which" international agreements are concluded."
What are some alternatives to "instruments by which"?
Alternatives include "means by which", "tools by which", or "methods through which", depending on the specific context and desired emphasis.
Is "instruments by which" formal or informal?
"Instruments by which" is generally considered a formal phrase, best suited for academic, technical, or professional writing. Simpler alternatives are more appropriate for informal contexts.
What's the difference between "instruments by which" and "instrument by which"?
"Instruments by which" refers to multiple tools or methods, while "instrument by which" refers to a single tool or method. The choice depends on whether you are discussing one or more instruments.
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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
4.4/5
Expert rating
Real-world application tested