presumed constant

USAGE SUMMARY

The phrase "presumed constant" is correct and usable in written English.
It can be used in contexts where something is assumed to remain unchanged or stable over a period of time or under certain conditions. Example: "In our calculations, we treated the temperature as a presumed constant to simplify the model."

✓ Grammatically correct

Science

News & Media

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

4 human-written examples

Most importantly, we demonstrate enormous sensitivity to presumed constant regional vulnerability and underlying assumptions about adaptive capacity.

Energy Policy

The controllable load is presumed constant over the analyzed time horizon, and the smart grid (SG) infrastructure available.

Journal of Modern Power Systems and Clean Energy

The presumed constant surveillance heightens the claustrophobic tension.

Los Angeles Times

Using control regions under selective neutrality or presumed constant selective pressures across the species, shared and private polymorphism was used to establish a divergence time of roughly 1.3 MYA and a consistent, if asymmetric, gene flow [ 42].

BMC Genomics

Human-verified similar examples from authoritative sources

Similar Expressions

56 human-written examples

Although we presumed a constant intensity of cell migration λ m without specific interpretations in this study, further analysis of the spatio-temporal data of λ m enables its more detailed descriptions for multicellular dynamics.

Biology Open

Therefore, Bonnet and colleagues [ 23] used the ICG clearance method for the determination of hepatic blood flow during application of PEEP in patients while they presumed a constant fraction of ICG absorbed by the liver dependent on hepatic blood flow.

Critical Care

In general, SAXS analysis methods presume a constant shape for the nanoparticles [8], and in SAXS software, it is typically spherical.

Nanoscale Research Letters

Although this approximation would also be inaccurate, it is an improvement over the first one because the intervals during which the velocities of the particles are erroneously presumed to be constant are shorter in the second calculation than in the first.

Encyclopedia Britannica

Since the stock of human capital can more or less be presumed to be constant in our study population (all are graduate students), and all have more or less no individual income, we focus here on the youth's social capital.

Journal of Global Entrepreneurship Research

Other factors that may be presumed to be constant between the different genes can be ignored in the model.

Plosone

Critically, the number of cell-cell contacts and distribution of mechanical forces within a colony can be presumed to be constant.

Plosone

Expert writing Tips

Best practice

When using "presumed constant", ensure the assumption of constancy is justified within the context. Clearly state the basis for this presumption, as it simplifies analysis but might not always hold true in reality.

Common error

Avoid using "presumed constant" without acknowledging potential fluctuations. Failing to account for even minor variations can lead to inaccurate conclusions or misleading results in your analysis.

Linguistic Context

The phrase "presumed constant" primarily functions as an adjectival modifier. It typically describes a variable, condition, or factor that is assumed to remain unchanged for the purpose of analysis or modeling. According to Ludwig AI, its main purpose is to qualify a noun, indicating an assumption of stability or immutability.

Expression frequency: Rare

Frequent in

Science

83%

News & Media

8%

Encyclopedias

4%

Less common in

Academia

2%

Wiki

2%

Formal & Business

1%

Ludwig's WRAP-UP

The phrase "presumed constant" is used to describe something assumed to be unchanging, typically for simplifying analysis in scientific and other fields. According to Ludwig AI, the phrase is grammatically correct. While examples of its usage are infrequent, the phrase appears most often in scientific contexts. When using "presumed constant", ensure that the assumption is justified and that potential variations are acknowledged. Alternatives include "assumed invariable" and "hypothesized constant", which offer similar meanings with subtle differences. Ludwig's analysis indicates that while the phrase is technically sound and suitable for formal and scientific contexts, care should be taken to ensure its appropriate application.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

presumed unchanging

Replaces 'constant' with 'unchanging', which is a more direct synonym.

assumed invariable

Replaces 'presumed' with 'assumed' and 'constant' with 'invariable', both suggesting something unchanging but with a slightly more formal tone.

assumed stable

Replaces 'constant' with 'stable', conveying a sense of resistance to change or disturbance.

hypothesized constant

Replaces 'presumed' with 'hypothesized', emphasizing that the constancy is a proposition being tested or considered.

supposedly constant

Emphasizes that constancy is claimed or believed, potentially with some skepticism.

considered unvarying

Highlights the act of regarding something as not changing, using a slightly more descriptive term.

approximated as constant

Indicates that the constancy is an approximation or simplification made for practical reasons.

deemed constant

Suggests a formal or official judgment that something is constant.

taken as constant

Focuses on the action of accepting something as constant, often for the purpose of simplification or modeling.

regarded as constant

Similar to 'considered constant', but with a slightly more passive voice.

FAQs

How can I use "presumed constant" in a sentence?

You can use "presumed constant" to describe a factor or variable that is assumed to remain unchanged during a particular analysis or period. For example, "The model operates under the assumption of "presumed constant" temperature to simplify calculations."

What are some alternatives to "presumed constant"?

Alternatives to "presumed constant" include phrases like "assumed invariable", "hypothesized constant", or "considered unvarying". The best choice depends on the specific nuance you wish to convey. See the "assumed invariable" for more information.

Is it always accurate to use "presumed constant"?

Using "presumed constant" is a simplification. While it can make analysis easier, it is crucial to acknowledge that the assumption may not be perfectly accurate and that variations might exist in reality. It should only be used when you are sure that the value it's almost exactly "constant".

What is the difference between "presumed constant" and "assumed constant"?

"Presumed constant" implies a belief that something is constant based on available information, while "assumed constant" suggests a deliberate choice to treat something as constant, regardless of whether there is strong evidence. Check the "assumed constant" definition for more details.