Used and loved by millions
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
ascertained under
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "ascertained under" is correct and usable in written English.
It can be used in contexts where you want to indicate that something has been determined or established based on certain criteria or conditions. Example: "The results were ascertained under the guidelines set forth by the regulatory body."
✓ Grammatically correct
Science
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
5 human-written examples
An optimal scheme was verified by the RELAP5/MOD3.2 code, the results show that the reactor core safety could be ascertained under station blackout accident and small break loss of coolant accident.
Science
Within logical positivism, observation language was assumed to consist of names and predicates whose applicability or not can be ascertained, under suitable conditions, by means of direct observation (such as using names and predicates for colors, shapes, sounds) or relatively simple measurement (names and predicates for heights, weights, and sizes, for example).
Science
We hypothesize that the expression and functions of many candidate cellulosomal genes could potentially be ascertained under these complex substrate conditions.
Science
Blood pressure was ascertained under standardized conditions.
Science
Moreover, the relative amount of protein bound to DNA can be ascertained under quantitative conditions.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
The professed goal of the models presented below is therefore to ascertain under what theoretical micro-level conditions a political discourse as a meso or macro phenomenon remains out of equilibrium for a substantial amount of time and shows the properties outlined above.
Thus, we systematically examined barter in chimpanzees to ascertain under what circumstances chimpanzees will engage in costly barter of commodities, that is, trading food items for other food items with a human experimenter.
Science
Finally, the reduction and proper position of the cage was ascertained again under imaging control.
20, 21, 28 Opioid abuse is likely to be under ascertained in claims databases.
Science
This could indicate that HIV-infection protects against CMM but may be more likely to indicate that CMMs were under ascertained or misclassified as KS.
Science
Other covariates, such as obesity, are almost certainly under ascertained in the data, as medical records have much more complete information on conditions that are under treatment rather than conditions that are simply present.
Science
Expert writing Tips
Best practice
When using "ascertained under", ensure that the conditions or criteria are clearly defined to avoid ambiguity. For example, "The effectiveness was ascertained under strict laboratory conditions".
Common error
Avoid using "ascertained under" without specifying the conditions. For instance, instead of saying "The cause was ascertained under research", clarify with "The cause was ascertained under controlled experimental research".
Source & Trust
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "ascertained under" functions as a connector, indicating that a determination or establishment has been made contingent upon specific conditions or circumstances. Ludwig confirms its proper usage in scientific and formal contexts.
Frequent in
Science
80%
News & Media
10%
Formal & Business
5%
Less common in
Wiki
3%
Encyclopedias
1%
Reference
1%
Ludwig's WRAP-UP
In summary, the phrase "ascertained under" serves to specify the conditions within which something has been determined, primarily within scientific and formal contexts. Ludwig AI confirms its correct grammatical standing and utility. Although categorized as rare in frequency, clarity and precision in usage are key. Remember to clearly define the conditions to avoid vagueness, which is a common error. Alternative phrases like "determined according to" or "established based on" may be suitable depending on the specific context.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
determined according to
Emphasizes that the determination was made in accordance with specific guidelines.
established based on
Highlights the foundation upon which the ascertainment was built.
verified within
Focuses on the verification process occurring within a defined set of parameters.
confirmed subject to
Indicates that confirmation is conditional upon meeting certain requirements.
validated given
Similar to 'established based on', but with a stronger emphasis on formal validation.
identified in light of
Suggests that the identification was made considering specific information or context.
recognized within the framework of
Highlights the structure within which the recognition takes place.
evaluated considering
Emphasizes the evaluation process and the factors taken into account.
assessed in the context of
Stresses that the assessment is made relative to a particular context.
figured out relative to
Suggests the conclusion was arrived at in relation to a specific situation.
FAQs
How can I use "ascertained under" in a sentence?
The phrase "ascertained under" indicates that something has been determined or established based on specific conditions or criteria. For example, "The results were ascertained under strict quality control measures".
What are some alternatives to "ascertained under"?
Some alternatives include "determined according to", "established based on", or "verified within" depending on the specific context.
Is it correct to say "ascertained by" instead of "ascertained under"?
While both are grammatically correct, "ascertained under" emphasizes the conditions or circumstances in which the determination was made, whereas "ascertained by" focuses on the method or agent used to determine something. Thus, the choice depends on the intended emphasis.
What does it mean when something is "under ascertained"?
When something is "under ascertained", it means that it has not been fully or accurately determined, often due to limitations in data or methodology. It suggests that the true extent or nature of something is likely greater than what has been established. You can also say that is "underestimated".
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.1/5
Expert rating
Real-world application tested