a defined quantity

USAGE SUMMARY

The phrase "a defined quantity" is correct and usable in written English.
It can be used in contexts where you need to specify a particular amount or measurement that is clearly established or determined. Example: "In the experiment, we used a defined quantity of the chemical to ensure accurate results."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

9 human-written examples

When all the four solutions were equilibrated with crushed core, a defined quantity of base 0.1 M NaOH (5 mL) was added to all these flasks.

Journal of Petroleum Exploration and Production Technology

Generally, vermicompost elutriate (vermicompost tea) is produced by placing a defined quantity of vermicompost into water and shaking it for a defined period of time.

International Journal of Recycling of Organic Waste in Agriculture

A stable isotope dilution (SID) method is applied as an internal standard by the use of a defined quantity of spiked stable isotope- labeled peptide of the same sequence in a pre-defined quantity.

Clinical and Translational Medicine

SET #1 holds all soils with more than a defined quantity of 'organic soil materials'.

Food and Agriculture Organization of the United Nations

The oral cookie test with a defined quantity of fat per body surface area may be a reliable method for detecting postprandial metabolic disturbances.

Cardiovascular Diabetology

However, we see that the estimated potency factor can depend on assumptions within the analysis, and is far from a defined quantity.

Environmental Health Perspectives

Human-verified similar examples from authoritative sources

Similar Expressions

51 human-written examples

where o i and m i are the i th observation and model output, respectively (or equivalently, those corresponding to time t i ), from a total of N. Given that the quotient in Equation 10 is a positively defined quantity, P cannot be greater than 1, which is reached when the residuals are zero, i.e., when the model exactly fits the observations.

Earth, Planets and Space

However, the thermodynamic stability of proteins is a precisely defined quantity that can be described with physical and mathematical models.

CBE Life Sciences Education

It should be noted that pH of paper is an operationally defined quantity and not the pH of a true solution [10].

Heritage Science

It is used to establish the partitions that separate all the cells of the honeycomb from each other and that form a surface of uniform height, while the cells are all of different depths, so that the ink is taken up on the engraved surface in an exactly defined quantity.

Britannica

Most notably, a number of current healthcare reform proposals include legislation that would mandate that NFP hospitals provide an explicitly defined quantity of charity care (e.g., 5% of total revenue) or risk losing their tax exempt status [ 24, 25].

BMC Health Services Research

Expert writing Tips

Best practice

Use "a defined quantity" when you want to emphasize that a specific amount has been clearly established, often for experimental or procedural reasons. For instance, in scientific contexts, using a defined quantity ensures reproducibility and accurate results.

Common error

Avoid using "a defined quantity" in informal or general writing where simpler alternatives like "a specific amount" or "a certain quantity" would sound more natural. Overusing technical phrasing can make your writing sound unnecessarily formal or stilted.

Linguistic Context

The phrase "a defined quantity" functions as a noun phrase, often used as an adjective to modify another noun. It serves to specify that a particular amount or measurement has been clearly established or determined. Ludwig examples show this usage in scientific and technical contexts.

Expression frequency: Uncommon

Frequent in

Science

100%

News & Media

0%

Formal & Business

0%

Less common in

Encyclopedias

0%

Wiki

0%

Academia

0%

Ludwig's WRAP-UP

In summary, "a defined quantity" is a grammatically correct phrase that is most frequently used in scientific contexts to emphasize the precision and control of a specific amount. Ludwig AI analysis confirms its acceptability and common usage in formal writing. When using this phrase, ensure that it aligns with the context and that simpler alternatives are not more appropriate. Avoiding overuse in informal contexts will ensure that your writing remains clear and concise.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a specific amount

Focuses on the particularity of the amount rather than the act of defining it.

a set quantity

Emphasizes that the quantity is fixed or predetermined.

a precise amount

Highlights the accuracy and exactness of the quantity.

a fixed quantity

Stresses the immutability or unchangeableness of the quantity.

a known quantity

Implies that the quantity is not only defined but also recognized or understood.

a measured amount

Suggests that the quantity has been determined through measurement.

a determined amount

Highlights the act of finding out or establishing the quantity.

a specified quantity

Emphasizes that the quantity has been explicitly stated.

an established quantity

Indicates that the quantity is recognized or accepted as a standard.

a regulated amount

Suggests the quantity is controlled by rules or laws.

FAQs

How can I use "a defined quantity" in a sentence?

You can use "a defined quantity" when you need to specify a particular amount or measurement that is clearly established or determined. For example: "In the experiment, we used "a defined quantity" of the chemical to ensure accurate results."

What are some alternatives to "a defined quantity"?

You can use alternatives like "a specific amount", "a set quantity", or "a precise amount" depending on the context.

Which is correct, "a defined quantity" or "a definite quantity"?

"A defined quantity" is generally preferred when referring to a specific amount that has been clearly established. "A definite quantity" is less common, but could be used to express a similar idea.

What's the difference between "a defined quantity" and "a measured quantity"?

"A defined quantity" refers to an amount that has been established or specified beforehand, while "a measured quantity" refers to an amount that has been determined through measurement.