is ascertained by

USAGE SUMMARY

The phrase "is ascertained by" is correct and usable in written English.
It is used when assigning responsibility for something or stating a fact. For example, "The cause of the accident is ascertained by the police report."

✓ Grammatically correct

Science

News & Media

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

50 human-written examples

This value is ascertained by titration, a standard analytical chemical technique, and is defined as the number of milligrams of potassium hydroxide required to neutralize one gram of the lubricant.

Encyclopedia Britannica

That Zuckerman should be defeated by Kliman and unable to stop him is a discovery whose pain is hardly mitigated - whose pain is enhanced - by the fact that 28-year-old Kliman, visibly at the pinnacle of his powers as a virile young man, is ascertained by Zuckerman to be the adulterous lover of Jamie Logan, the desirable young woman unattainable to the writer.

The Guardian - Books

That Zuckerman should be defeated by Kliman and unable to stop him is a discovery whose pain is hardly mitigated — whose pain is enhanced — by the fact that twenty-eight-year-old Kliman, visibly at the pinnacle of his powers as a virile young man, is ascertained by Zuckerman to be the adulterous lover of Jamie Logan, the desirable young woman unattainable to the writer.

The New Yorker

The extent of deterioration is ascertained by the vibration analysis.

Tribology and Interface Engineering Series

The validity of the RKHSM is ascertained by presenting several examples.

Advances in Difference Equations

The validity of the RKHSM is ascertained by presenting five of our examples.

Advances in Difference Equations

Human-verified similar examples from authoritative sources

Similar Expressions

10 human-written examples

Those responsible for the firing could not be ascertained by the United Nations military observers.

The Guardian

The full truth was to be ascertained by bitter experience, after spending a year on the spot.

The Guardian

The end-point of reaction was ascertained by TLC.

Chemistry Central Journal

Euthanasia was ascertained by electrocardiogram and auscultation above the thorax.

European Radiology Experimental

The accuracy of the method was ascertained by recovery method.

Journal of Analytical Science and Technology

Expert writing Tips

Best practice

When using "is ascertained by", clearly specify the source or method used to determine the information. This ensures transparency and allows readers to evaluate the validity of your claims.

Common error

Avoid using "is ascertained by" in casual or informal writing. Opt for simpler alternatives like "is found by" or "is determined by" to maintain a natural tone.

Linguistic Context

The phrase "is ascertained by" functions as a passive construction, indicating how a piece of information is definitively learned or verified. Ludwig examples show its frequent use in stating how validity, accuracy, or a conclusion is reached through specific methods or sources.

Expression frequency: Common

Frequent in

Science

85%

News & Media

7%

Encyclopedias

4%

Less common in

Formal & Business

0%

Wiki

0%

Social Media

0%

Ludwig's WRAP-UP

The phrase "is ascertained by" is a useful construction for formal and scientific writing, denoting how information is definitively learned or verified. As Ludwig AI points out, the phrase is grammatically correct and most commonly found in scientific contexts. When writing, remember to clearly state what "is ascertained by", and consider simpler alternatives like "is determined by" in less formal settings. Be precise and specific in how you choose to use "is ascertained by".

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

is determined through

Focuses on the process or method used to reach a conclusion.

is established via

Emphasizes the means or pathway by which something is confirmed.

is verified by

Highlights the act of confirming or proving something's truth.

is confirmed through

Stresses the validation or corroboration of a finding.

is identified by means of

Specifies the tools or techniques used for recognition.

is discovered via

Implies a finding or revelation through a particular route.

is found out by

Suggests an uncovering or learning through investigation.

is learned from

Focuses on the source from which knowledge or understanding is gained.

is recognized through

Emphasizes the criteria or indicators used for identification.

is figured out by

Implies a process of reasoning or problem-solving to reach a conclusion.

FAQs

How can I use "is ascertained by" in a sentence?

Use "is ascertained by" to indicate that something has been definitely learned or found out, often through a specific method or source. For example, "The validity of the results "is ascertained by" comparing them with existing data".

What are some alternatives to "is ascertained by"?

Depending on the context, you can use phrases like "is determined by", "is verified by", or "is confirmed through" as alternatives.

Is it better to use active or passive voice with "is ascertained by"?

The phrase "is ascertained by" is inherently passive. To use the active voice, rephrase the sentence to emphasize the actor, such as "Researchers ascertained the results by comparing them with existing data".

What's the difference between "is ascertained by" and "is determined by"?

"Is ascertained by" often implies a formal or investigative process to find something out, whereas "is determined by" suggests a more general finding or decision. The choice depends on the level of formality and the context of the sentence.