a considerable portion of which

USAGE SUMMARY

The phrase "a considerable portion of which" is correct and usable in written English.
It can be used to refer to a significant part of something previously mentioned, often in formal or academic writing. Example: "The report highlighted several key findings, a considerable portion of which were unexpected."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

2 human-written examples

Afghanistan is by far the world's biggest producer of opiates, a considerable portion of which end up in Iran.

The New York Times - Magazine

By some estimates, LBP results in direct and indirect health-care expenditures exceeding $100 billion per year, a considerable portion of which is due to discogenic pain [ 4].

Arthritis Research and Therapy

Human-verified similar examples from authoritative sources

Similar Expressions

58 human-written examples

In seven years, Farc has lost control over a considerable portion of territory which it previously dominated.

BBC

This means that health systems specific variables capture a considerable portion of the effect which is otherwise summarized by the country dummies.

Health Economics Review

For young people the most significant aspects of international culture are rock and contemporary dance music, both of which make up a considerable portion of the music played on Spain's radio stations.

Encyclopedia Britannica

They each contributed $60,000 to the down payment, which consumed a considerable portion of their liquid savings, or money that was not tied up elsewhere.

The New York Times

Currently, carbon mitigation is expensive: At current rates--about $300 per ton--getting rid of half the carbon emitted each year will cost at least $500 billion, which constitutes a considerable portion of the federal budget.

Science Magazine

Fourth, next generation genotyping arrays such as the potential Pilot 14 M array which capture a considerable portion of genomic common variation have high power to detect association of the common variants with the disease, but its power to identify low frequency or rare variants which are associated with the disease is low.

BMC Genomics

In the mid-20th century, the Three Affiliated Tribes lost a considerable portion of their reservation to the waters of Lake Sakakawea, which rose behind the newly built Garrison Dam.

Encyclopedia Britannica

According to estimates from advertisers, campaigns focused on the politics and religion of the Middle East in recent months have cost them well into the six figures, a figure which makes up a considerable portion of the authority's so-called viewpoint advertising revenue.

The New York Times

Refractory failure, which accounts for a considerable portion of the maintenance cost often forces shutdowns.

Applied Thermal Engineering

Expert writing Tips

Best practice

Use "a considerable portion of which" when you want to emphasize that a notable part of something is being discussed. Ensure the context clearly establishes what 'which' refers to.

Common error

A common error is failing to ensure that the 'which' clearly refers back to a specific noun or concept in the preceding clause. Always double-check that the connection is unambiguous to avoid confusing readers.

Linguistic Context

The primary grammatical function of "a considerable portion of which" is to act as a prepositional phrase functioning as a relative clause. It modifies a noun phrase, providing additional information about a significant part of it. Ludwig AI indicates that the phrase is correct and usable in written English.

Expression frequency: Rare

Frequent in

Science

50%

News & Media

50%

Encyclopedias

0%

Less common in

Formal & Business

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, the phrase "a considerable portion of which" is a grammatically correct phrase used to specify that a significant part of something is being discussed. While it is considered relatively rare in general usage, according to Ludwig's analysis, it frequently appears in Science and News & Media contexts, indicating a formal register. Ludwig AI confirms its correctness and usability, emphasizing its role in formal or academic writing. When using this phrase, make sure the referent is clear to avoid ambiguity. Alternatives such as "a significant fraction of which" or "a substantial segment of which" can offer similar meanings with slight variations in emphasis.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a significant fraction of which

Replaces 'considerable' with 'significant', emphasizing the importance of the portion.

a substantial segment of which

Substitutes 'considerable' with 'substantial', highlighting the size and importance of the part.

a major portion of which

Emphasizes the importance and size of the portion.

a large percentage of which

More directly quantifies the portion, making it explicitly about proportion.

a notable amount of which

Focuses on the quantity of the portion, rather than its proportion of the whole.

a noteworthy share of which

Highlights that the portion is significant and deserving attention.

a good deal of which

Indicates a sizable portion, though less formal than 'considerable'.

a healthy proportion of which

Suggests the portion is adequately sized or beneficial.

a sizable chunk of which

Implies a large and somewhat undefined portion.

a respectable quantity of which

Indicates the portion is worthy of respect or attention due to its size.

FAQs

How can I use "a considerable portion of which" in a sentence?

Use "a considerable portion of which" to refer back to a previously mentioned noun. For instance, "The budget was allocated to several departments, "a considerable portion of which" went to research and development."

What are some alternatives to "a considerable portion of which"?

You can use alternatives like "a significant part of which", "a substantial amount of which", or "a large percentage of which" depending on the specific context.

Is it correct to use "a considerable portion of that" instead of "a considerable portion of which"?

While "a considerable portion of that" is grammatically correct, ""a considerable portion of which"" is more formal and typically used when referring back to a clause or concept in the preceding sentence.

What is the difference between "a considerable portion of which" and "a considerable portion of it"?

"A considerable portion of which" is used to refer to a non-defining clause that provides additional information, while "a considerable portion of it" refers back to a specific noun. For example, "The book, a considerable portion of which was dedicated to historical context, was well-received" versus "I read the book, and a considerable portion of it was very interesting."