a fourfold amount of

USAGE SUMMARY

The phrase "a fourfold amount of" is correct and usable in written English.
It can be used when describing a quantity that is four times greater than a specified amount. Example: "The company reported a fourfold amount of revenue compared to last year."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

1 human-written examples

Proclaimed by textbooks, a fourfold amount of crystalloid infusion is needed to reach comparable volume effects as achieved with colloid administration.

Annals of Intensive Care

Human-verified similar examples from authoritative sources

Similar Expressions

58 human-written examples

In our experimental study, we infused the fourfold amount of crystalloids within a shorter time in anesthetized and ventilated rats.

Annals of Intensive Care

Radical polymerization of N-isopropylacrylamide in toluene at −40 °C in the presence of fourfold amounts of fluorinated alcohols was investigated.

Polymer

Varied concentrations of NF-1D (1, 2, and 4 nM) were mixed with twofold or fourfold amounts of NF-2D in the presence (40 nM) or absence of p50.

Cancer Science

The first extraction was performed with the fourfold amount (20 mL) of extraction solvent 1 (acetonitrile/water/formic acid, 80 19.9 0.1, v/ v/ v) on an Edmund Bühler GmbH SM30 rotary shaker (Hechingen, Germany) for 60 min at room temperature.

Analytical and Bioanalytical Chemistry

This has enabled operators to increase fourfold the amount of money they return to government".

The Guardian

Bristol-Myers agreed inSeptember to pay tiny ImClone Systems, with no marketed drugs or profits, an astounding $2 billion over the next few years for rights to its experimental colon cancer drug, fourfold the amount of previous deals for similar cancer drugs.

Forbes

Finally, and very unusually, its plastome contains about fourfold the amount of repeated DNA compared to related legume species and is consequently about 20 kb longer [ 7].

BMC Evolutionary Biology

Scientists estimate that the result for such a nectar-filled plant in the wild is a fourfold increase in the amount of its pollen used in fertilizing itself.

The New York Times - Science

In other words, going from "1080p" to "2160p" display technology yields a fourfold increase in the amount of information that can be displayed on the screen.

The Economist

In our model, endotoxemia and fluid resuscitation led to progressive renal vasoconstriction (increased RVR and decreased RBF) and a decrease in renal DO2 and microvascular oxygenation, a fall in glomerular filtration rate (decreased creatinine clearance), and a fourfold rise in the amount of oxygen consumed by the kidney per sodium reabsorbed (VO2/TNa+).

Intensive Care Medicine Experimental

Expert writing Tips

Best practice

Choose more direct quantitative expressions like "four times as much" if the situation doesn't require formal tone.

Common error

Avoid using "a fourfold amount of" when a simple multiplication is sufficient. If the context only requires stating the multiplied quantity, simply state "four times the amount" instead of framing it as an increase.

Linguistic Context

The phrase "a fourfold amount of" functions as a quantifier, modifying a noun to indicate that the quantity is four times greater than a reference point. As Ludwig AI states, it is correct to use it to describe an amount that is four times greater.

Expression frequency: Uncommon

Frequent in

Science

66%

News & Media

33%

Formal & Business

0%

Less common in

Wiki

0%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "a fourfold amount of" is grammatically correct and used to indicate that a quantity is four times greater than another. It is often found in scientific and news contexts, as supported by Ludwig examples. While the phrase is accurate, simpler alternatives such as "four times the amount" or "quadruple the amount" may be preferred for greater clarity and conciseness in everyday language. Be mindful of the context to make the most effective choice.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

four times the quantity of

Replaces "amount" with "quantity" offering a more formal tone.

quadruple the amount of

Uses "quadruple" as a synonym for "fourfold", which is also mathematically accurate.

four times as much

Simplifies the structure while retaining the core meaning of a fourfold increase.

a fourfold increase in

Focuses on the increase itself rather than the final amount.

four times the size of

Substitutes "amount" with "size", suitable when referring to physical dimensions or scale.

fourfold the quantity

A slightly more concise phrasing emphasizing the multiplied quantity.

four times the volume of

Replaces 'amount' with 'volume', appropriate when referring to liquids or three-dimensional space.

a four-time increase in

Uses "four-time" as an adjective, highlighting the multiplicative factor of the increase.

an increase of four times

Reorders the phrase to emphasize the increase magnitude.

fourfold the measure of

Uses 'measure' to indicate the amount, emphasizing the numerical quantification.

FAQs

How can I use "a fourfold amount of" in a sentence?

You can use "a fourfold amount of" to describe a quantity that is four times greater than another. For example, "The company reported "a fourfold amount of" revenue this year compared to last year".

What is a simpler way to express "a fourfold amount of"?

Alternatives include "four times the amount of", "quadruple the amount of", or "four times as much". These options are often more direct and easier to understand.

Is it always necessary to use "a fourfold amount of" when describing a quantity that has increased four times?

No, it's not always necessary. Depending on the context, you might simply state that something has increased "fourfold" or use a phrase like "increased by a factor of four".

In what contexts is "a fourfold amount of" most appropriate?

"A fourfold amount of" is suitable in contexts where you need to clearly emphasize the multiplicative relationship between two quantities, often in scientific, technical, or formal writing.