a significant portion of which

USAGE SUMMARY

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

✓ Grammatically correct

News & Media

Science

Formal & Business

Human-verified examples from authoritative sources

Exact Expressions

22 human-written examples

E.P.A. officials said these fine particles, a significant portion of which are produced by diesel engine emissions, lead to 15,000 premature deaths a year nationwide.

The New York Times

But that support has not been echoed within his own Democratic party (PD), a significant portion of which regards him as an ideologically troubling upstart with an unseemly amount of ambition and a suspicious affinity with New Labour.

The Guardian

After his landslide re-election to the state Assembly this year, Mr. DiNapoli said he had about $100,000 left in his campaign fund, a significant portion of which he said he could transfer to a county executive race.

The New York Times

Though the Atlantic Yards plan also called for residential towers, a significant portion of which will be subsidized, he sold it to the public as a way to finally bring professional sports back to the borough.

The New York Times

The Stockholm International Peace Research Institute estimates that China spent $129 billion on its armed forces in 2011, a significant portion of which is dedicated to acquiring "anti-access" capabilities.

The New York Times

The agency said its latest evaluation of the bonds showed that the loans made this year were little changed from last year's crop of mortgages, a significant portion of which were made without down payments or full documentation of borrowers' incomes.

The New York Times

Human-verified similar examples from authoritative sources

Similar Expressions

38 human-written examples

The practice accounts for a significant portion of fraudulent returns — which also include the return of stolen goods — which the retailing group estimates will cost stores $11.8 billion in 2008.

The New York Times

Presence of such agglomerates leads to sedimentation of a significant portion of the nanoparticles which increases in time.

Nanoscale Research Letters

It also doesn't provide the tools to connect with those who've rented from you in the past — a significant portion of vacation rentals — which a social platform inherently provides.

TechCrunch

Greece also wants a cancellation of a significant portion of its debt, which the troika has said it will not allow to become part of negotiations over the release of the 7.2 billion euro bailout installment.

Huffington Post

On all three psychosocial scales and on the "physical limitation" scale of the MacNew questionnaire, the two personality variables trait anger and cynicism together explain a significant portion of incremental variance, which is albeit not too high (between 0% and 2.0%).

Health and Quality of Life Outcomes

Expert writing Tips

Best practice

Use "a significant portion of which" to connect a clause referring back to a previously mentioned noun, adding detail about its composition or distribution. This construction works best in formal writing where precision is valued.

Common error

Avoid using "a significant portion of which" if the "which" doesn't clearly refer to a specific noun in the preceding clause. Ensure the connection is unambiguous to maintain clarity.

Linguistic Context

The phrase "a significant portion of which" functions as a relative clause, providing additional information about a noun phrase introduced earlier in the sentence. As Ludwig AI indicates, this construction is grammatically sound and frequently used in formal contexts.

Expression frequency: Common

Frequent in

Science

36%

News & Media

52%

Formal & Business

4%

Less common in

Encyclopedias

2%

Wiki

2%

Science

4%

Ludwig's WRAP-UP

In summary, "a significant portion of which" is a versatile phrase used to add specific detail about a previously mentioned noun, particularly in formal contexts. Ludwig AI confirms its grammatical correctness and widespread usage. While alternatives exist, this phrase is valued for its precision and clarity in academic, scientific, and professional writing, and should be employed when it's important to emphasize the magnitude or impact of a specific part. Remember to maintain clarity in your sentences and ensure a clear connection between the "which" and its antecedent.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a considerable fraction of which

Replaces "significant" with "considerable" and "portion" with "fraction", maintaining the same meaning.

a substantial segment of which

Substitutes "significant" with "substantial" and "portion" with "segment", slightly altering the emphasis.

a large percentage of which

Uses "large percentage" instead of "significant portion", making it more quantitative.

a notable share of which

Replaces "significant" with "notable" and "portion" with "share", offering a slightly different tone.

a good amount of which

Employs "good amount" to convey significance, which is less formal.

a major chunk of which

Utilizes "major chunk" to indicate a large part, which is more informal.

a respectable quantity of which

Uses "respectable quantity" to suggest a sizable amount, which is more formal.

an appreciable quantity of which

Substitutes "significant" with "appreciable", implying it is easily noticed or measured.

a hefty proportion of which

Replaces "significant" with "hefty" and implies the portion is large or substantial.

a dominant component of which

Changes the focus to dominance rather than significance, implying the portion is a primary element.

FAQs

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

This phrase introduces additional information about a previously mentioned item. For example, "The budget was allocated to several departments, "a significant portion of which" went to research and development".

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

You can use alternatives like "a considerable fraction of which", "a substantial segment of which", or "a large percentage of which" depending on the context.

Is it correct to say "a significant portion that" instead of "a significant portion of which"?

While "a significant portion that" might be understandable, ""a significant portion of which"" is generally more formal and grammatically precise, especially when referring back to a specific noun.

What's the difference between "a significant portion of which" and "a significant part of which"?

"A significant portion of which" and "a significant part of which" are very similar in meaning. "Portion" often suggests a calculated or measured amount, while "part" is more general. The choice depends on the nuance you want to convey.