less than twofold

USAGE SUMMARY

The phrase "less than twofold" is correct and usable in written English.
It can be used to describe a quantity or measurement that is not double but is still a significant increase or change, typically in a statistical or analytical context. Example: "The results showed a less than twofold increase in productivity after implementing the new software."

✓ Grammatically correct

Science

Human-verified examples from authoritative sources

Exact Expressions

58 human-written examples

It predicts 57% of the fu values with less than twofold error.

Journal of Pharmaceutical Sciences

Many of the changes he sees are less than twofold and thus difficult to discern by qPCR.

Science Magazine

Genetic recombination occurred genome-wide, with a slight, less than twofold enrichment and depletion at genic and intergenic regions, respectively (Fig. 5).

Botanical Studies

In the second day after application of fertilizers, NH3 fluxes declined sharply by about sixfold in slurry treatments and less than twofold in mineral fertilizer (Fig. 4).

International Journal of Recycling of Organic Waste in Agriculture

The DNSA methods were used because the determination of differences in enzyme activity levels less than twofold is difficult using C.C.Z techniques (Zhang et al. 2006).

International Journal of Recycling of Organic Waste in Agriculture

Duplexes where the AP site is positioned opposite the 3′ terminus of a complementary primer strand are incised with an efficiency similar (less than twofold difference) to that of the ssAP substrate alone.

Journal of Molecular Biology

However, the repression level of the 2 Ps-TBDR genes was low (less than twofold).

Plosone

The increase at this extreme condition seems however relatively limited, i.e. less than twofold.

Plosone

An increase in expression of Oct3/4 of less than twofold causes mESCs to differentiate into primitive endoderm and mesoderm.

Plosone

Human-verified similar examples from authoritative sources

Similar Expressions

2 human-written examples

A less-than-twofold increase in expression causes differentiation into primitive endoderm and mesoderm.

Clinical Epigenetics

Furthermore, while repression of Oct4 allows trophectoderm development, a less-than-twofold increase in Oct4 expression drives differentiation into primitive endoderm and mesoderm [ 2].

BMC Genomics

Expert writing Tips

Best practice

When reporting numerical changes or differences, use "less than twofold" to clearly indicate that the increase or decrease is smaller than a doubling of the initial value. This is particularly useful in scientific and technical contexts for precise communication.

Common error

Avoid overstating the significance of changes described as "less than twofold". While statistically significant, a change of this magnitude may not always have practical implications. Ensure the context accurately reflects the impact.

Linguistic Context

The phrase "less than twofold" functions as a quantifying adjective phrase, typically modifying nouns related to changes, differences, or increases in numerical values. As Ludwig AI indicates, it's a correct and usable phrase for precise communication.

Expression frequency: Very common

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "less than twofold" is a grammatically sound and frequently employed phrase, particularly within scientific contexts. According to Ludwig AI, it's suitable for describing changes or differences that do not reach double the original amount. The phrase primarily functions as a quantifying adjective, aiding in precise communication in formal settings. While alternatives like "under twofold" or "less than double" exist, "less than twofold" maintains a level of specificity valuable in technical writing. It's crucial to avoid overstating the importance of changes described using this phrase, ensuring the context accurately reflects the observed impact.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

less than double

A more common way to express the same numerical comparison.

under twofold

Replaces "less than" with "under", which is a direct synonym in this numerical context.

below twofold

Uses "below" instead of "less than" to indicate a value that doesn't reach double.

lower than twofold

Focuses on the comparative aspect using "lower".

under two times

Replaces "fold" with "times" to achieve alternative wording.

not exceeding twofold

Emphasizes a limit that isn't surpassed.

not more than twofold

Highlights the maximum limit of the increase or change.

at most twofold

Indicates a maximum upper limit, possibly including no change.

up to twofold

Suggests a range that extends from no change to just under double.

fractionally less than twofold

Adds emphasis on the small magnitude of the difference from a twofold change.

FAQs

How can I use "less than twofold" in a sentence?

Use "less than twofold" to describe a change or difference that is smaller than double the original value. For example, "The expression of the gene increased "less than twofold" after treatment".

What's a simpler way to say "less than twofold"?

Alternatives include "less than double", "under twofold", or "below twofold". Choose the phrasing that best fits the tone and context of your writing.

Is it more correct to say "less than twofold" or "less than two times"?

Both "less than twofold" and "less than two times" are grammatically correct, but "less than twofold" is often preferred in scientific and technical writing for its precision and conciseness. The phrase "less than two times" can be used as well.

What does "a less-than-twofold increase" signify?

A less-than-twofold increase indicates that the new value is more than the original value but less than double its initial amount. It is the same as "less than twofold" increase.