quantity by which

USAGE SUMMARY

The phrase "quantity by which" is correct and usable in written English.
It can be used to describe a specific amount or measure that indicates a difference or change in a particular context. Example: "The quantity by which the temperature increased was significant, leading to a noticeable change in the environment."

✓ Grammatically correct

Science

Wiki

News & Media

Human-verified examples from authoritative sources

Exact Expressions

3 human-written examples

In other words, the appropriate choice of the quantity by which to measure a dose directly is technique specific; therefore, application-specific quantities result.

Insights into Imaging

3.2 we present the results obtained concerning the impact of the reforms on: (1) the number of new pensions that are capped and (2) the quantity by which the new pensions are limited.

SERIEs

For example, frequentist methods assume that true prevalence is a fixed unknown quantity by which a randomly chosen individual from the population is infected [ 7].

BioMed Research International

Human-verified similar examples from authoritative sources

Similar Expressions

57 human-written examples

The eigenvalue of an eigenvector is the quantity (scalar) by which the original eigenvector scales after multiplication by the matrix 'Ax: Ax = lambda x.

EPJ Techniques and Instrumentation

So we demand that the probability measure by which equilibrium quantities are to be calculated be stationary in time as well.

SEP

This asymmetry is a straightforward consequence of the coding of a signed quantity by firing which has a low baseline, though, obviously, can only be positive.

Behavioral and Brain Functions

Bring the mixture to a boil and leave it to reduce the quantity by half, which takes about five minutes and then take the pan off the heat.

WikiHow

These things are consumed in large quantities by insects, which are again consumed in large quantities by birds and so on.

WikiHow

Clearly, insemination quantity has profound effects on queens, but what are the mechanisms by which insemination quantity triggers these changes in queen honey bees?

Plosone

In order to normalize cDNA concentration in different samples, the expression of pyruvate dehydrogenase (lipoamide) beta (PDHB), hypoxanthine phosphoribosyltransferase 1 (HPRT1) and ribosomal protein large P0 (RPLP0) was measured and a normalization factor from the mean of their expression levels was calculated, by which the quantity of PGR was divided.

Biology of Sex Differences

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

Encyclopedia Britannica

Expert writing Tips

Best practice

When using "quantity by which", ensure the context clearly defines what is being measured and what the point of reference is for the change. Clarity is essential.

Common error

Avoid using "quantity by which" without specifying the units or context of measurement. For example, instead of "the quantity by which sales increased", specify "the quantity by which sales increased (in dollars)" or "the quantity by which sales increased (as a percentage)".

Linguistic Context

The phrase "quantity by which" functions as a prepositional phrase that modifies a noun or verb, specifying the degree or extent of change or difference. Ludwig's examples showcase its use in describing specific increases or decreases.

Expression frequency: Rare

Frequent in

Science

66%

Wiki

16%

News & Media

16%

Less common in

Formal & Business

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "quantity by which" is a prepositional phrase used to specify the extent of a change or difference in measurable terms. Ludwig AI identifies it as grammatically correct, though relatively rare in usage. Its natural habitat is formal and scientific writing, where precision is valued, and context must clearly define the unit of measurement. Alternative phrases such as ""amount by which"" or "extent to which" can offer similar clarity. Ensure to prevent vagueness by including the units or context.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

amount by which

This alternative is a direct synonym, replacing "quantity" with "amount" without altering the meaning.

extent to which

This phrase focuses on the degree to which something is affected or changed.

degree to which

Similar to 'extent to which', this emphasizes the level or intensity of something.

margin by which

This implies a difference or gap, especially in numerical or comparative contexts.

level to which

This suggests reaching a certain stage or measure.

proportion by which

This refers to the relative amount of change.

scale by which

This refers to using a scale to measure something.

rate at which

This alternative implies a change over time.

measure by which

This highlights the standard used for comparison.

scope of which

This emphasizes the breadth or range affected.

FAQs

How can I use "quantity by which" in a sentence?

You can use "quantity by which" to describe a difference or change in a measured amount. For example: "The "amount by which" the temperature increased was significant." You can also use other phrases like "extent to which".

What phrases are similar to "quantity by which"?

Similar phrases include ""amount by which"", "degree to which", or "extent to which". These alternatives convey a similar meaning of difference or change in a measured value.

Is "quantity by which" formal or informal?

"Quantity by which" is generally suitable for formal and academic writing. In more informal contexts, simpler phrasings may be preferred, though its use is not incorrect.

How does the use of "quantity by which" differ from "amount by which"?

While "quantity" and "amount" are often interchangeable, "quantity" tends to be used with measurable or countable items, whereas "amount" can refer to things that are not easily counted. The "amount by which" is often considered more versatile.