not fully ascertain

USAGE SUMMARY

The phrase "not fully ascertain" is not correct in standard English.
The correct form would be "not fully ascertained" or "not fully ascertainable." Example: "The results of the experiment are not fully ascertained, requiring further analysis."

⚠ May contain grammatical issues

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

3 human-written examples

Without identifying RA as an underlying condition, epidemiological studies that rely on information from death certificates may not fully ascertain the morbidity and mortality of the disease.

BMC Musculoskeletal Disorders

Even when additional data sources are used, current surveillance does not fully ascertain the extent of workplace-related disease in the United States (Azaroff et al. 2002).

Environmental Health Perspectives

Although we demonstrated that the presence of detectable levels of mtDNA TOP1 was a constant and particular feature of SScFib+ patients, we did not fully ascertain the antigenic role of this protein fragment and its relation with the development of lung fibrosis.

Arthritis Research and Therapy

Human-verified similar examples from authoritative sources

Similar Expressions

57 human-written examples

Current systematized evidence has not fully ascertained the impact of CHG-WC in bacteremia within the ICU.

Intensive Care Medicine Experimental

Although the role of psychoactive substances in impairing driving ability is documented, the precise relationship between consumption and degree of driving impairment is not fully ascertained for several substances.

BMC Public Health

Although the exact distance of the RBS from the start codon is not fully ascertained in this study; it is likely that a 5-10n RBspacerer is important, as an RBS further away from the start codon could be less efficient in melting secondary structure in the critical region.

BMC Genomics

Given the estimated prevalence (∼1 in 40,000) of RTHβ, with over 160 different TRβ mutations being recorded hitherto, it is highly likely that RTHα is more common but not fully ascertained, either because the disorder lacks a clearcut, diagnostic signature of biochemical abnormalities or is associated with unexpected phenotypes (e.g. autism spectrum disorder).

Best Practice and Research in Clinical Endocrinology and Metabolism

However, the role, interactions and effect of these immunosuppressive agents as well as other concurrent infectious and non infectious agents not studied in the disease process could not be fully ascertained.

BMC Veterinary Research

While the exact growth mechanism of CNTs/CNFs formed from fly ash as a catalyst has not been fully ascertained, it appeared that tip growth could not be discounted (as seen by the red-coloured circles in Figure 1e,f).

Nanoscale Research Letters

The complex mechanisms by which they move have not been fully ascertained, and such mechanisms differ among various species.

Encyclopedia Britannica

As many serosubtypes were rare, their individual clustering behavior could not be fully ascertained.

Emerging Infectious Diseases

Expert writing Tips

Best practice

When indicating incomplete knowledge, use grammatically correct phrases such as "not fully ascertained" or "not fully ascertainable" for formal contexts. For informal contexts, consider "not completely understood" or "partially determined".

Common error

Avoid using the base form "ascertain" directly after "fully". The correct forms are the past participle "ascertained" or the adjective "ascertainable" depending on the intended meaning.

Linguistic Context

The phrase "not fully ascertain" attempts to express a state where something is not completely determined or understood. However, as Ludwig AI points out, this phrasing is grammatically incorrect in standard English.

Expression frequency: Rare

Frequent in

Science

33%

News & Media

33%

Formal & Business

0%

Less common in

Academia

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

The phrase "not fully ascertain" is an incorrect grammatical construction. As Ludwig AI highlights, the correct forms are "not fully ascertained" (past participle) or "not fully ascertainable" (adjective). While the intent is to express incomplete knowledge or understanding, the incorrect grammar detracts from its effectiveness. Consider using alternatives like ""not completely understood"" or ""partially determined"" for clarity and grammatical correctness. Although examples exist in scientific and news sources, adhering to correct grammar ensures more effective communication.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

not completely understood

Emphasizes the lack of complete understanding.

not entirely clear

Focuses on the clarity of the situation, indicating some ambiguity.

not definitively known

Indicates a lack of definitive knowledge about a subject.

partially determined

Focuses on the determination aspect, implying that only a portion is known.

remains uncertain

Suggests ongoing doubt or lack of confirmation.

partially known

Highlights that only a part of the subject is known.

not yet confirmed

Emphasizes that something still requires confirmation.

incompletely established

Highlights that the establishment of facts or details is not yet finished.

not thoroughly investigated

Focuses on the depth of investigation, implying it was insufficient.

unresolved

Indicates that the matter is still open and has not been settled.

FAQs

How to use "not fully ascertained" in a sentence?

Use "not fully ascertained" to indicate that something is not completely determined or understood. For example, "The long-term effects of the treatment are "not fully ascertained"".

What can I say instead of "not fully ascertain"?

Alternatives include "not completely understood", "partially determined", or "incompletely established". The best choice depends on the specific context.

Which is correct, "not fully ascertain" or "not fully ascertained"?

"Not fully ascertain" is grammatically incorrect. The correct form is ""not fully ascertained"", using the past participle.

What's the difference between "not fully ascertained" and "not fully ascertainable"?

"Not fully ascertained" describes something that has been investigated but not completely determined, while "not fully ascertainable" describes something that cannot be completely determined, often due to inherent limitations.