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Justyna Jupowicz-Kozak quote

Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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At least 10 days prior

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "at least 10 days prior" is correct and usable in written English
You can use it to refer to a time frame that begins 10 days before a particular event. For example, you might say: "All applications must be received at least 10 days prior to the start of the course."

✓ Grammatically correct

Academia

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

16 human-written examples

This license application must be filed at least 10 days prior to the date on which full power operations are desired to commence.

Therefore, any requests for substitutes must be submitted in writing to the Program Registration Team at least 10 days prior to the start of the program.

(f) The licensee of a UHF TV station which is not in operation on, but assigned to, the same allocated channel which a 1000 watt UHF translator station is authorized to use (see § 73.3516, "Specification of facilities"), shall notify the licensee of the translator station, in writing, at least 10 days prior to commencing or resuming operation.

This form must be submitted to the MSN Program Office via email (son‐[email protected]) at least 10 days prior to the start of the semester.

Non-student groups and individuals can request security services by completing a Duke Police special events request form at least 10 days prior to your event.

This proposal is submitted to the student's advisory committee at least 10 days prior to the date of the qualifying exam.

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Human-verified similar examples from authoritative sources

Similar Expressions

44 human-written examples

Applications must be submitted at least 90 days prior to the first day of the proposed conference.

Positive use was identified as subjects consuming antidepressant drugs at therapeutic dosages for every day for at least 15 days prior to the interview.

Smokers were defined as individuals who smoked at least 5 cigarettes per day while past smokers had quit smoking for at least 30 days prior to examination.

All animals were allowed to recover for at least 7 days prior to any behavioral testing.

Science & Research

Nature

Students must fulfill two immunization requirements at least 30 days prior to registering for classes.

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Expert writing Tips

✓ Best practice

Use "at least 10 days prior" when you need to specify a minimum timeframe before an event, allowing for flexibility while ensuring timely action or preparation.

⚠ Common error

A common mistake is assuming "at least 10 days prior" means exactly 10 days. Remember, it indicates a minimum of 10 days, meaning more time is acceptable unless otherwise specified.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Linguistic Context

The phrase "at least 10 days prior" functions as an adverbial phrase modifying a verb, specifying a minimum time frame before a particular event or action must occur. It sets a condition related to timing, as shown by Ludwig.

Expression frequency: Common

✓ Frequent in

Academia

50%

Science

31%

News & Media

13%

⚠ Less common in

Formal & Business

6%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

The phrase "at least 10 days prior" is a grammatically sound and commonly used way to specify a minimum timeframe before a particular event. As confirmed by Ludwig, it functions as an adverbial phrase used to set deadlines or provide advance notice, and is frequently seen in academic, scientific, and news contexts. While suitable for formal writing, remembering that it means 10 days or more is key to avoiding misinterpretations.

FAQs

What does "at least 10 days prior" mean?

The phrase "at least 10 days prior" means a minimum of ten days before a specified event or date. It indicates that the action or requirement must be completed no later than ten days before the event, but it can be done earlier.

How can I use "at least 10 days prior" in a sentence?

You can use "at least 10 days prior" to specify a deadline or timeframe. For example: "All applications must be submitted "at least 10 days prior" to the event."

What can I say instead of "at least 10 days prior"?

Is it better to say "at least 10 days prior" or "at least 10 days before"?

Both phrases are correct and generally interchangeable. "Prior" tends to be slightly more formal than "before", but the difference is minimal. Choose the one that best fits the overall tone of your writing.

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Real-world application tested

Most frequent sentences: