a twofold increase

USAGE SUMMARY

The phrase 'a twofold increase' is correct and can be used in written English.
It is generally used to refer to a change in size or amount that has doubled. For example, "Last year, there was a twofold increase in the number of applicants for the job."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

A twofold increase in liver cholesterologenesis rate was also noted.

Atherosclerosis

Voice networks supported a twofold increase in normal loads before a busy signal started to implode.

The New York Times

Since 1998, the amount of money raised in America has more than tripled, compared with a twofold increase in Europe.

The New York Times

Traveling to Las Vegas is associated with a twofold increase in risk compared to traveling elsewhere.

Social Science & Medicine

The result was a twofold increase in the mean average precision.

Information Sciences

The replacement of argon by nitrogen leads to a twofold increase of the delay.

Combustion and Flame

The current showed a twofold increase after irradiation of UV light for 20 min.

Carbon

An epidemic of illegal drugs is scarring America, with a twofold increase in use and fourfold increase in deaths in the last decade.

The Guardian

She said that the Coalition has seen a twofold increase in reports of profiling and discrimination since the attacks in Paris and San Bernardino.

The Guardian

Specifically, the project intends to: Enable nearly 10,000 Ethiopian farmers to realise a twofold increase in chickpea yield by applying more modern agricultural practices and irrigation techniques.

The Guardian

There was also a twofold increase in referrals of children and adolescents to the Sandyford clinic in Glasgow, from 90 in 2014 to 178 in 2015.

The Guardian

Expert writing Tips

Best practice

When using "a twofold increase", ensure the context clearly defines what is being doubled for clarity. For example, specify "a twofold increase in revenue" rather than just "a twofold increase".

Common error

Avoid confusing "a twofold increase" with a 2% increase. "A twofold increase" means doubling the original amount (100% increase), while a 2% increase means adding only 2% of the original amount.

Linguistic Context

The phrase "a twofold increase" functions as a noun phrase, typically serving as the subject or object of a sentence. Ludwig AI indicates its grammatical correctness. It describes a specific type of change, where a quantity is multiplied by two.

Expression frequency: Very common

Frequent in

Science

53%

News & Media

31%

Academia

10%

Less common in

Formal & Business

5%

Encyclopedias

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "a twofold increase" is a grammatically sound and common phrase used to describe a doubling in quantity or value. Ludwig AI confirms its correctness. It is most frequently encountered in scientific, news, and academic contexts. When using this phrase, ensure clarity by specifying what is being doubled. Be mindful not to confuse it with a small percentage increase. Related phrases include "a doubling" and "a two times increase", providing alternative ways to express the same concept.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a 100% increase

Expresses the increase as a percentage.

a two times increase

Uses a more explicit numerical description of the increase.

a doubling

Focuses on the action of doubling, rather than the resulting increase.

a rise by 200%

Similar to "a 100% increase" but specifies the amount added to initial value, in this case initial value + 200% of the initial value.

a proportional increase of two

Highlights the proportional relationship of the increase.

duplication

Implies an exact copy or replication, which may not always be the case with an increase.

a multiplication by two

Focuses on the mathematical operation.

an amplification by a factor of two

Uses a more technical term (amplification) and specifies the factor.

an augmentation by two

Uses a more formal and less common term (augmentation).

an escalated twofold

Emphasizes the escalation or intensification of the increase.

FAQs

How do I use "a twofold increase" in a sentence?

You can use "a twofold increase" to describe something that has doubled. For example, "The company experienced "a twofold increase" in profits this year."

What's the difference between "a twofold increase" and "a threefold increase"?

"A twofold increase" means something has doubled (increased by 100%), while "a threefold increase" means it has tripled (increased by 200%).

What can I say instead of "a twofold increase"?

Alternatives include "a doubling", "a two times increase", or "a 100 percent increase", depending on the specific context.

Is it correct to say "twofold increase" without the article "a"?

While grammatically acceptable in some contexts, using "twofold increase" without the article "a" is less common and may sound slightly less natural. It's generally preferable to include the article.