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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
it is well defined
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "it is well defined" is correct and usable in written English.
You can use it when discussing concepts, terms, or parameters that are clearly and precisely established. Example: "In mathematics, a function is considered valid if it is well defined across its entire domain."
✓ Grammatically correct
Science
News & Media
Wiki
Alternative expressions(16)
it is clearly defined
it is explicitly stated
it is clearly mentioned
it is expressly stated
the document specifies
it is implied
it is unambiguously stated
it is clearly explained
the explanation is straightforward
it says what it says
it is self-explanatory
it means what it says
it is what it is
it is obviously noted
it is readily apparent
it is patently obvious
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
29 human-written examples
It was noticed that the B-factors of CrSPI-1 molecule is higher, might indicate its reduced occupancy; however, it is well defined in the electron density map (Figure 4C).
Science
Although it is well defined in Merriam-Webster's Dictionary of Law as "capable of being expressed, explained or justified," in some usages above it is treated as a synonym for "specific"; in others, it is a softer substitute for that hard-edged word that better protects civil liberty.
News & Media
In this section, we present our algorithm and show it is well defined.
It is well defined in W and of class C 1 (as a consequence of hypothesis (2)).
Science
Proof First, we show that C n is closed and convex, that the projection on it is well defined.
A combined method that uses the standard height function where it is well defined and the proposed scheme in under-resolved regions is tested.
Human-verified similar examples from authoritative sources
Similar Expressions
30 human-written examples
It has been argued that if the rationale for the hypothesis and the biological mechanism behind it are well defined (and not just a "fishing expedition"), then there is no reason for multiple comparison correction (31) since in such a situation there is no theoretical basis for a "universal null hypothesis," and chance would not be the first explanation of the observed results (31).
Science
In view of, it follows that is well defined and continuous.
It is easy to check that is well defined, and it is a solution of (1.2).
Then it is clear that is well defined.
Since h : E → X is one-to-one, it follows that H is well defined.
Expert writing Tips
Best practice
Use "it is well defined" to ensure that a concept, term, or parameter is clearly established and understood within the given context, leaving no room for misinterpretation.
Common error
Avoid using "it is well defined" in casual or informal writing where simpler terms like "it is clear" or "it is known" would be more appropriate. The phrase is best suited for technical or formal settings.
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "it is well defined" primarily functions as an assertion of clarity and precision regarding a particular concept or entity. Ludwig AI confirms that this phrase is correct and usable in written English. It suggests that the subject in question has a clear and unambiguous definition.
Frequent in
Science
70%
News & Media
10%
Wiki
7%
Less common in
Formal & Business
3%
Reference
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "it is well defined" is a grammatically correct and usable expression that serves to assert the clarity and precision of a concept or entity. As noted by Ludwig AI, it's most appropriate for formal and technical contexts like scientific papers or legal documents, where unambiguous definitions are crucial. While alternatives like "it is clearly defined" or "it is precisely defined" exist, the original phrase remains a solid choice for ensuring understanding and preventing misinterpretations. Avoid using this term in informal contexts, where simpler language is more appropriate.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
it is clearly defined
Focuses on the clarity of the definition.
it is precisely defined
Emphasizes the exactness of the definition.
it is unambiguously defined
Highlights the lack of ambiguity in the definition.
it is properly defined
Suggests the definition adheres to a standard or protocol.
it is rigorously defined
Implies a high level of scrutiny and precision in the definition.
it is soundly defined
Indicates the definition is logically consistent and robust.
it is accurately defined
Highlights the correctness of the definition.
it is validly defined
Suggests the definition is legally or formally acceptable.
it is distinctly defined
Emphasizes the separateness and clarity of the definition from others.
it is formally defined
Implies the definition is presented in a structured and conventional manner.
FAQs
What does "it is well defined" mean?
The phrase "it is well defined" indicates that a concept, term, or process has a clear, precise, and unambiguous definition. This means that its meaning or function is clearly established and understood.
How can I use "it is well defined" in a sentence?
You can use "it is well defined" to emphasize the clarity and precision of a definition. For example: "In mathematics, a function is considered valid if "it is well defined" across its entire domain."
What are some alternatives to "it is well defined"?
Alternatives include "it is clearly defined", "it is precisely defined", or "it is unambiguously defined". The best choice depends on the specific context and the nuance you want to convey.
When is it appropriate to use "it is well defined"?
It is appropriate to use "it is well defined" in formal or technical contexts where precise language is important, such as in scientific papers, legal documents, or mathematical proofs. It's less suitable for informal conversation or casual writing.
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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
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested