a portion thereof

USAGE SUMMARY

The phrase "a portion thereof" is correct and usable in written English.
It can be used in legal or formal contexts to refer to a part of something previously mentioned. Example: "The contract stipulates that the tenant is responsible for the maintenance of the property, including a portion thereof that is shared with other tenants."

✓ Grammatically correct

News & Media

Science

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

9 human-written examples

Stock rights, like warrants, are transferrable privileges permitting stockholders to buy another security or a portion thereof at a specified price for an indicated period of time.

Encyclopedia Britannica

While there is no easy solution, I can offer one measure that would help solve the problem: Impose a fine of $1,000 an hour or a portion thereof for judges, defense lawyers, prosecutors or jurors who are late for a hearing.

The New York Times

These are provisions that allow an issuer to retire the issue or a portion thereof any time certain events occur.

Forbes

It may help to know that he does this because he is interested in picking out the fundamental principles which lie at the basis of all normativity, not just a portion thereof.

SEP

Economics: The executives of Goldman Sachs, AIG, Lehman Brothers, Bear Stearns, Merrill Lynch, and Magnetar "for creating and promoting new ways to invest money--ways that maximize financial gain and minimize financial risk for the world economy, or for a portion thereof".

Science Magazine

Or a portion thereof?

Los Angeles Times

Human-verified similar examples from authoritative sources

Similar Expressions

50 human-written examples

No substitutions of prizes will be allowed, except Sponsor reserves the right to substitute prize(s) of comparable or greater value in the event a prize or any portion thereof becomes unavailable for any reason.

Science Magazine

A chapter of the Cleveland City Code of Ordinances entitled "Obscenity and Sex Offenses" defines "nudity" as a "female breast with less than a full, opaque covering of any portion thereof below the top of the nipple".

Huffington Post

The Municipal Code of Chicago, meanwhile, prohibits "the showing of the female breast with less than a full opaque covering of any portion thereof below the top of the nipple".

Huffington Post

July 1, and October 1 of each year thereafter, regarding the number of days the Residential Unit or any portion thereof has been rented as a ShortTerm Residential Rental since either initial registration or the last report, whichever is more recent, and any additional information the Department may require to demonstrate compliance with this Chapter 41A.

TechCrunch

Each states Ruler in Council has the power, by notification in the Gazette, to constitute any land a reserved forest or to decide that any reserved forest, or any portion thereof, shall cease to be reserved.

FAO

Expert writing Tips

Best practice

Use "a portion thereof" in formal documents or legal agreements to maintain a professional tone. Replace it with simpler alternatives like "part of it" in less formal writing.

Common error

Avoid using "a portion thereof" in casual conversations or informal writing. It can sound stilted or pretentious. Opt for simpler phrases like "part of it" or "some of that" instead.

Linguistic Context

The phrase "a portion thereof" functions as a postpositive modifier, specifically indicating a part of something previously mentioned. As Ludwig AI explains, it's often found in legal or formal contexts.

Expression frequency: Uncommon

Frequent in

News & Media

30%

Science

30%

Formal & Business

10%

Less common in

Encyclopedias

15%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

In summary, "a portion thereof" is a formal phrase used to refer to a part of something previously mentioned. Ludwig AI confirms its correctness and suitability for legal or formal contexts. While grammatically sound, it's best reserved for situations where precision and formality are paramount. Simpler alternatives exist for casual settings. The phrase appears most frequently in news, scientific, and business publications, indicating its professional register. Remember to consider your audience and the overall tone when deciding whether to use this phrase.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

a part of that

More informal and direct.

a segment of it

Similar in formality but focuses on division.

a section thereof

Highlights a specific area or division.

a piece of it

More casual and emphasizes a smaller segment.

a percentage thereof

Emphasizes a quantitative portion.

a fraction of it

Implies a numerical proportion.

a share of it

Suggests an allocated or rightful division.

some of that

Less precise and more general.

an element of it

Focuses on a single, component part.

a quantity thereof

Stresses amount instead of proportion.

FAQs

How to use "a portion thereof" in a sentence?

"A portion thereof" is used to refer back to something already mentioned, indicating a part of it. For instance, "The agreement covers the entire property, including "a portion thereof" that borders the river".

What can I say instead of "a portion thereof"?

You can use alternatives like "a part of it", "some of that", or "a piece of it" depending on the context.

When is it appropriate to use "a portion thereof"?

It is appropriate in legal documents, formal writing, or any context where a high level of precision and formality is required. Using this phrase in informal settings may sound unnatural.

Is "a portion thereof" the same as "a part thereof"?

While very similar, "a portion thereof" often suggests a more defined or measurable part, whereas "a part thereof" is more general. The choice depends on the nuance you want to convey.