has increased twofold

USAGE SUMMARY

The phrase "has increased twofold" is correct and usable in written English.
It can be used to indicate that something has doubled in amount, size, or degree compared to a previous measurement or state. Example: "The company's profits have increased twofold over the past year."

✓ Grammatically correct

Science

Formal & Business

News & Media

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

The percentage of people who have access to improved drinking water has increased twofold, from 41 per cent in 1986 to 92 per cent in 2014.

Unicef

Whilst comparisons indicate that the prevalence of SAD has increased twofold in the 10 years between 1997 and 2007, this does not necessarily suggest a growth of SAD cases over time in Australia.

Australian and New Zealand Journal of Psychiatry

Human-verified similar examples from authoritative sources

Similar Expressions

58 human-written examples

Sales of his pet doors -- the kind that fit into sliding glass doors -- have increased twofold since he went online.

The New York Times

By 2050, the population living in major cities, especially in developing countries, will have increased twofold.

International Journal of Quality Innovation

By 2050, the population living in cities, especially in developing countries, will have increased twofold.

International Journal of Quality Innovation

By 2050, the population living in cities will have increased twofold.

International Journal of Quality Innovation

20 The disease-free and overall 6-year survival rates were reported to have increased twofold in patients with cervical cancer with well-oxygenated tumours.

BMJ Open

The selection regime achieved its desired effect, with a later study showing that the lines had increased twofold the number of immune cells used in encapsulation (Kraaijeveld et al. 2001).

Evolutionary Applications

The population of Bade increased nearly fourfold over 31 years (from 1000 in 1975 to 3800 in 2006), and those of villages along the Ia River (from 2000 to 4500) and the Edera and Dumut rivers (from 1950 to 4100) have increased twofold. 1 15 Only two of the 46 subjects with ALS and/or parkinsonism with/without CI in this survey were born outside Papua (in Maluku).

BMJ Open

As the story goes, a general once told his weather-forecasting team, "I appreciate being informed that your forecasts are no better than random, but please keep sending them on, as the army needs your predictions for planning purposes".Since 1945, the number of currencies in the world has increased roughly twofold, almost proportionately to the number of countries.

The Economist

- The South Sulawesi KHPPIA allocation from provincial government has increased by twofold.

Unicef

Expert writing Tips

Best practice

When using the phrase "has increased twofold", ensure the context clearly establishes the baseline for comparison. For example, specify the time period or initial value from which the increase is measured.

Common error

Avoid using "has increased twofold" when the increase is less than or more than double. "Twofold" specifically means a 100% increase. Use "has increased significantly" or "has increased substantially" if the exact increase is unknown or not precisely double.

Linguistic Context

The phrase "has increased twofold" functions as a verb phrase indicating a quantitative change. It modifies a noun by specifying the extent of its increase, meaning it has doubled. As Ludwig AI indicates, the phrase is grammatically correct.

Expression frequency: Uncommon

Frequent in

Science

33%

Formal & Business

33%

News & Media

33%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "has increased twofold" is a grammatically sound way to express that something has doubled. According to Ludwig, it is correct and usable in written English. While not exceedingly common, it finds application across various domains, particularly in scientific, business, and news contexts. When employing this phrase, clarity is key; ensure the reference point for the increase is well-defined. For alternatives, consider using "has doubled" or "has grown by 100 percent". Remember that "twofold" signifies a precise doubling, so avoid using it when the increase is approximate. Despite the low number of examples, the reliability of sources and their diversity suggests a stable usage of the phrase.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

has doubled

This alternative is more concise and directly states the multiplication factor.

has grown by 100 percent

This alternative expresses the increase as a percentage change.

has multiplied by two

This alternative uses a more mathematical term to describe the increase.

has seen a twofold rise

This alternative replaces 'increased' with 'seen a rise' and maintains the twofold modifier.

has experienced a doubling

This alternative uses a noun form of 'double' to describe the increase.

has become twice as large

This alternative expresses the increase in terms of relative size.

has expanded twofold

This alternative replaces 'increased' with 'expanded' to convey growth.

has augmented by a factor of two

This alternative uses more formal and technical language.

has progressed to twice the previous amount

This alternative phrases the increase in terms of progression to a new amount.

has recorded a 200% growth

This alternative describes the increase in terms of percentage growth.

FAQs

How can I use "has increased twofold" in a sentence?

You can use "has increased twofold" to describe something that has doubled. For example, "The company's revenue "has increased twofold" since last year".

What are some alternatives to saying "has increased twofold"?

Alternatives include "has doubled", "has grown by 100 percent", or "has multiplied by two".

Is it correct to say "has increased twofold" or "has increased by twofold"?

"Has increased twofold" is the correct phrasing. Saying "has increased by twofold" is less common and can be considered slightly awkward.

What is the difference between "has increased twofold" and "has increased fourfold"?

"Has increased twofold" means something has doubled (increased by 100%), while "has increased fourfold" means something has quadrupled (increased by 300%).