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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
has not yet been defined
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "has not yet been defined" is correct and usable in written English.
You can use it when discussing concepts, terms, or ideas that are still unclear or not formally established. Example: "The term 'quantum consciousness' has not yet been defined in the scientific community."
✓ Grammatically correct
Science
News & Media
Alternative expressions(20)
remains undefined
is still to be defined
has not been established
is not yet clear
remains to be seen
is yet to be determined
is not fully understood
is still under investigation
has yet to be established
has not yet been demonstrated
has not yet been determined
has not yet been identified
has not yet been explained
has not yet been decided
has not yet been implemented
has not yet been classified
has not yet been examined
has not yet been declared
has not yet been designated
has not yet been finalized
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
But eligibility to share in the fund, sometimes called the superfund, has not yet been defined.
News & Media
Perinodal lymphovascular invasion (pnLVI) has not yet been defined.
Science
Nonetheless, the axial compression behavior of circular FRP RC columns has not yet been defined.
Science
However, the potential mechanism that LaCl3-induced neurotoxic effects has not yet been defined.
Science
Nevertheless, the role of denosumab in the treatment algorithm of GCTs of the spine has not yet been defined.
Science
However, how these properties compare between diseased and healthy ECM and artificial scaffolds has not yet been defined.
Science
Nevertheless, a particular QoS class categorization for M2M traffic has not yet been defined in the literature [117].
Because of the possibility of malignant transformation of these polyps, adequate monitoring is required, even though the optimal follow-up schedule has not yet been defined.
Up till now, the optical coherence tomography appearance of the common bile duct, main pancreatic duct and sphincter of Oddi wall structure has not yet been defined.
Science
Newer more advanced techniques in bronchoscopy may require longer procedure times, although a standard protocol for sedation during prolonged bronchoscopy has not yet been defined.
Science
The functional human ortholog for Ces1g [previously Ces1 and also known as Es-x (Ellinghaus et al., 1998)] has not yet been defined.
Science
Expert writing Tips
Best practice
When using "has not yet been defined", ensure that the context clearly indicates what lacks a definition. Provide relevant background information to highlight the gap in understanding.
Common error
Avoid using "has not yet been defined" when referring to well-established concepts within a specific field. Overusing the phrase can undermine your credibility.
Source & Trust
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "has not yet been defined" primarily functions as a statement indicating that a particular concept, term, or procedure lacks a clear or established definition. Ludwig AI examples demonstrate its use across various domains to highlight areas where further clarification or research is needed.
Frequent in
Science
88%
News & Media
5%
Wiki
2%
Less common in
Formal & Business
1%
Academia
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "has not yet been defined" is a common and grammatically correct way to indicate that a term, concept, or procedure lacks a clear or established definition. Ludwig AI's analysis of numerous examples confirms its widespread use, particularly in scientific and academic contexts. While the phrase is versatile, writers should ensure that the context clearly identifies what specifically lacks definition and should avoid overusing it in situations where the meaning is already commonly understood. Related phrases like "remains undefined" or "is still to be defined" can offer stylistic alternatives.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
remains undefined
This alternative is more concise, replacing the full phrase with a single adjective.
is still to be defined
This alternative uses a passive construction to emphasize the lack of definition.
lacks a definition
This alternative is more direct, stating that a definition is missing.
has not been established
This alternative is broader, implying a lack of confirmation or agreement.
is not yet clear
This alternative emphasizes the lack of clarity rather than the absence of a formal definition.
remains to be seen
This alternative suggests uncertainty about future developments.
is yet to be determined
This alternative focuses on the ongoing process of finding a definition.
is not fully understood
This alternative is broader, suggesting a lack of comprehensive knowledge.
has not been clarified
This alternative suggests that some effort to define already happened, but it's not completely clear yet.
is still under investigation
This alternative specifies that there are active efforts to define it.
FAQs
What does "has not yet been defined" mean?
The phrase "has not yet been defined" means that a specific term, concept, or process lacks a clear and established definition. It suggests that the meaning is either still evolving, under investigation, or not universally agreed upon.
What can I say instead of "has not yet been defined"?
You can use alternatives like "remains undefined", "is still to be defined", or "lacks a definition" depending on the context.
Is it appropriate to use "has not yet been defined" in formal writing?
Yes, "has not yet been defined" is appropriate in formal writing, especially in academic or scientific contexts, to indicate that a term or concept lacks a precise or universally accepted definition. It's important to ensure that the context clarifies what specific aspect is undefined.
How does "has not yet been defined" differ from "is poorly defined"?
"Has not yet been defined" implies that a definition is entirely absent or in the early stages of development. "Is poorly defined" suggests that a definition exists but is inadequate, ambiguous, or not widely accepted. The choice depends on whether you're highlighting the absence or inadequacy of a definition.
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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
83%
Authority and reliability
4.5/5
Expert rating
Real-world application tested