a well-defined quantity

USAGE SUMMARY

"a well-defined quantity" is correct and usable in written English. You can use it in contexts where precision and clarity of measurement or value are important. For example, "In physics, a well-defined quantity is essential for accurate calculations." Alternative expressions include "a clearly specified amount" and "a precisely determined value."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

4 human-written examples

However, in such cases the average inter-call gap (langletaurangle_{ij}) may not remain a well-defined quantity [38].

EPJ Data Science

For our purposes, the defining feature of a manifold that is a Newtonian spacetime is that the temporal interval between any two points or events in the spacetime, p and q, is a well-defined quantity.

SEP

First, according to this account, absolute velocity is a well-defined quantity: more simply, the absolute speed of a body is the rate of change of its position relative to an arbitrary point of absolute space.

SEP

The Special Theory of Relativity (Einstein, 1905) was presented as a geometric theory of spacetime in Minkowski (1908).[4] For our purposes, the key change from Newtonian spacetime to Minkowski spacetime is that in the latter it is no longer the case that the temporal interval between any two points or events in the spacetime, p and q, is a well-defined quantity.

SEP

Human-verified similar examples from authoritative sources

Similar Expressions

56 human-written examples

Given that the single-ion activity of the hydrogen ion is nothing more than a special case of single-ion activity, all of the development given previously in the paper applies, and under the definitions presented in this paper the hydrogen-ion activity becomes a thermodynamically well-defined quantity.

ChemPhysChem

Non-commuting quantities, like position and momentum, cannot jointly be well-defined quantities of a physical system.

SEP

However, a log-normal distribution is not of exponential order, and therefore, the diversity order and multiplexing gain are not well-defined quantities in a complete channel model.

EURASIP Journal on Wireless Communications and Networking

On the other hand, information is a well-defined scientific quantity, as much as a point or a line are scientific in geometry, or mass or charge of a particle are scientific in physics".

Plosone

According to the Guide to the Expression of Uncertainty in Measurement (GUM) and International Vocabulary of Metrology (VIM) a measurement results in a value of a well-defined physical quantity - the measurand - and a corresponding uncertainty which characterizes the dispersion of the values attributed to the measurand.

Environmental Science & Technology

UK, Ely, UK coated with different, but well-defined, quantities of the respective mouse monoclonal antibodies to generate a calibration curve for the processed cells labeled to saturation with primary mouse monoclonal antibodies; a secondary fluorescent polyclonal goat anti-mouse immunoglobulin is used to track mouse monoclonal antibody binding).

Biotechnology and Bioengineering

Interconnects and semiconductor devices (i.e., transistors) are modeled by multi-terminal elements (multi-ports), for which the branch currents entering any terminal and the branch voltages across any pair of terminals are well-defined quantities.

Handbook of Numerical Analysis

Expert writing Tips

Best practice

When using "a well-defined quantity", ensure the context provides sufficient information for the reader to understand how the quantity is defined. Clarity is key.

Common error

Avoid assuming that what constitutes "a well-defined quantity" is universally understood. Explicitly state the parameters and units of measurement to prevent misinterpretation.

Linguistic Context

The phrase "a well-defined quantity" functions as an adjectival phrase modifying the noun "quantity". It specifies that the quantity in question is clearly and unambiguously defined, making it suitable for contexts requiring precision. As Ludwig AI indicates, this phrase is often found in scientific and technical writing.

Expression frequency: Uncommon

Frequent in

Science

60%

Academia

20%

News & Media

20%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "a well-defined quantity" is a phrase used to emphasize clarity and precision in measurements or values, primarily in scientific, academic, and technical contexts. As Ludwig AI confirms, it's grammatically correct and suitable for formal communication where accuracy is crucial. While alternatives exist to convey similar meanings, the emphasis remains on ensuring that the quantity in question is clearly and unambiguously defined. When using this phrase, remember to provide sufficient context so the reader understands exactly how the quantity is being defined to avoid ambiguity.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a clearly delineated amount

Replaces 'well-defined' with 'clearly delineated', focusing on the clarity of the boundary or limit of the quantity.

a precisely determined value

Substitutes 'quantity' with 'value' and 'well-defined' with 'precisely determined', highlighting the exactness of the measurement.

an accurately measured amount

Focuses on the accuracy of the measurement of the amount, rather than its defined nature.

a distinctly specified quantity

Emphasizes the distinctness of the specification of the quantity.

a specifically identified amount

Highlights the act of identifying the amount in a specific manner.

a rigorously defined magnitude

Replaces 'quantity' with 'magnitude' and 'well-defined' with 'rigorously defined', suggesting a more formal and strict definition.

a unambiguously quantified amount

Focuses on the lack of ambiguity in the quantification of the amount.

a precisely calibrated value

Specifically focuses on the calibration aspect of achieving a precise value.

a sharply defined figure

Uses 'figure' instead of 'quantity' and 'sharply defined' to convey clarity and precision.

a concretely established amount

Emphasizes the concrete establishment of the amount, suggesting a solid foundation.

FAQs

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

You can use "a well-defined quantity" to describe something that has a clear and unambiguous value or measurement. For instance, "In scientific experiments, it's crucial to measure "a well-defined quantity" to ensure accurate results".

What are some alternatives to using "a well-defined quantity"?

Alternatives include "a precisely determined value", "a clearly delineated amount", or "an accurately measured amount", depending on the specific context.

When is it appropriate to use "a well-defined quantity" in writing?

It is appropriate to use "a well-defined quantity" in contexts where precision and clarity are important, such as scientific reports, technical manuals, or formal agreements. It emphasizes that the value or measurement is not vague or ambiguous.

What is the difference between "a well-defined quantity" and "an estimated amount"?

"A well-defined quantity" refers to a precise measurement or value that is known with certainty, while "an estimated amount" refers to an approximate value that is not known exactly and may be subject to error or uncertainty.