a variable quantity

USAGE SUMMARY

The phrase "a variable quantity" is correct and usable in written English.
It can be used in contexts related to mathematics, science, or economics to refer to a quantity that can change or vary. Example: "In this equation, x represents a variable quantity that can take on different values depending on the conditions."

✓ Grammatically correct

Science

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

19 human-written examples

The crucial feature of this definition is that it defines what it means for a variable quantity to tend to something entirely without reference to ideas of motion.

Britannica

Control system, means by which a variable quantity or set of variable quantities is made to conform to a prescribed norm.

Britannica

A function of a variable quantity is an analytical expression composed in any way from the variable and from numbers or constant quantities.

Britannica

With the technical preliminaries out of the way, the two fundamental aspects of calculus may be examined: a. Finding the instantaneous rate of change of a variable quantity.

Encyclopedia Britannica

An alternative is to supply the reheat by blending with a variable quantity of warmed air, supplied through a second duct system.

Refrigeration and Air-Conditioning

It is based on the experimental observations that disturbed liquid layers break up more easily than smooth ones and that the contact angle is a variable quantity.

Chemical Engineering Science

Human-verified similar examples from authoritative sources

Similar Expressions

41 human-written examples

Yet the NP-membrane adhesion strength is a globally variable quantity that effectively regulates the NP uptake rate.

Plosone

This dual character renders the adhesion strength in receptor-mediated endocytosis a globally variable quantity, in distinct contrast to the adhesion strength between two inanimate objects that is commonly regarded as a material constant.

Plosone

However, our follow-up study did not show any predictive role of urinary type IV collagen in the development and progression of diabetic nephropathy, although urinary AER is a highly variable quantity.

Diabetes Care

A transport equation that provides the local residence time field is derived by the balance on a control volume of a variable denominated "quantity of residence time".

Chemical Engineering Science

Wave function, in quantum mechanics, variable quantity that mathematically describes the wave characteristics of a particle.

Britannica

Expert writing Tips

Best practice

When using "a variable quantity", ensure the context clearly indicates what factors cause the quantity to vary. This adds precision to your writing and avoids ambiguity.

Common error

Avoid using "a variable quantity" without specifying the influencing factors. This can lead to confusion. Instead of saying "the results showed a variable quantity", specify what caused the variability: "the results showed a variable quantity of reagent, depending on the temperature".

Linguistic Context

The phrase "a variable quantity" functions as a noun phrase, typically serving as the subject or object of a sentence. As confirmed by Ludwig, it denotes something that is subject to change or fluctuation.

Expression frequency: Common

Frequent in

Science

60%

Encyclopedias

30%

News & Media

10%

Less common in

Formal & Business

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "a variable quantity" is a noun phrase used to describe something that can change or fluctuate, predominantly in science, mathematics, and technical fields. Ludwig AI confirms its grammatical correctness and suitability for formal contexts. When using this phrase, it is important to specify what factors cause the quantity to vary in order to maintain clarity. Alternatives like "a changing amount" or "a fluctuating value" can be used depending on the specific context, though they may not convey the same level of precision. While the phrase is considered correct, providing additional context is crucial to avoid ambiguity and ensure clear communication.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a changing amount

Focuses on the aspect of change over a period or in different circumstances.

a fluctuating value

Emphasizes the numerical representation and its instability.

a modifiable extent

Highlights the possibility to alter the quantity.

a flexible measure

Suggests adaptability in measurement depending on conditions.

a dynamic magnitude

Implies a significant and constantly evolving quantity.

a shifting proportion

Highlights the relative size that changes in relation to a whole.

a ranging number

Focuses on the numerical aspect and its span of possible values.

an adjustable figure

Emphasizes the capability to manually set or change the quantity.

a non-constant term

Used in mathematical contexts, indicating that the value is not fixed.

a diverse range

Highlights that quantities cover different values and amounts.

FAQs

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

You can use "a variable quantity" to describe something that changes. For example, "The experiment required "a variable quantity" of water depending on the humidity levels".

What does "a variable quantity" mean in mathematics?

In mathematics, "a variable quantity" refers to a value that can change or take on different values, as opposed to a constant which remains fixed.

What are some alternatives to "a variable quantity"?

Alternatives include "a changing amount", "a fluctuating value", or "an adjustable figure", depending on the specific context.

In what contexts is it appropriate to use the phrase "a variable quantity"?

It is appropriate in scientific, mathematical, and technical contexts where precise descriptions of changing amounts are necessary. It is often used when detailing experimental procedures or analyzing data.