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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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an open course

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "an open course" is correct and usable in written English.
It can be used to refer to a course that is available for enrollment or participation without restrictions. Example: "The university is offering an open course on digital marketing that anyone can join."

✓ Grammatically correct

News & Media

Wiki

Science

Human-verified examples from authoritative sources

Exact Expressions

11 human-written examples

And her thwarted needs and passions suddenly found an open course.

News & Media

The New Yorker

This is not a club that I'm a member of, it's an open course.

For the 1951 Open at Oakland Hills outside Detroit, Trent Jones was the first to redo an Open course.

After that, the U.S.G.A. hired Trent Jones whenever it thought an Open course needed changes, whether subtle or drastic.

Over the years, the golfers have come to expect an Open course to be altered simply to make them do what they don't want to do: think.

Rees Jones is now what his father was, the architect often hired by the United States Golf Association to perform a face lift on an Open course.

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Human-verified similar examples from authoritative sources

Similar Expressions

47 human-written examples

Summing up the conditions, Thompson said it was a United States Open course with a British Open wind.

The others are the TPC at Sawgrass (home of the Players Championship), Royal Birkdale (a British Open course), Princeville in Hawaii and three original designs: a volcano course, a canyon course and Tiger's Dream 18.

TURNBERRY, Scotland — It felt like a familiar scene as Tiger Woods played the closing holes of a British Open course in the late-afternoon light with the suspense building.

It felt like a U.S. Open course".

News & Media

The New York Times

So you, the everyday golfer, want to play a United States Open course with those fast greens and that thick rough?

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Expert writing Tips

Best practice

Use "an open course" to clearly communicate that a course is available to anyone without specific requirements or restrictions. It can apply to both online and in-person courses.

Common error

Avoid using "an open course" when you actually mean a course that is free of charge. While many open courses are free, the term primarily refers to accessibility and enrollment policies, not necessarily the cost.

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

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

88%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "an open course" functions primarily as an adjective phrase modifying the noun "course". It describes the nature of the course, indicating its accessibility and lack of restrictions, as seen in Ludwig's examples.

Expression frequency: Common

Frequent in

News & Media

60%

Wiki

20%

Science

20%

Less common in

Formal & Business

0%

Academia

0%

Encyclopedias

0%

Ludwig's WRAP-UP

In summary, the phrase "an open course" is a commonly used and grammatically correct term that describes a course with unrestricted access. Ludwig AI confirms its appropriateness for indicating courses available to a broad audience. Primarily found in news and media, its register leans towards neutral or informal. When using the phrase, ensure it accurately reflects the course's accessibility rather than simply implying it is free of charge. Alternatives include "a freely available course" or "a course open to all", which can provide greater clarity in specific contexts. Common mistakes involve confusing "open" with "free", so using the phrase accurately is important.

FAQs

What does "an open course" mean?

"An open course" refers to a course that is accessible and available for enrollment or participation without specific restrictions, such as prior qualifications or belonging to a particular institution. It does not inherently imply that the course is free of charge.

How can I use "an open course" in a sentence?

You might say, "The university is offering "a public course" in astronomy this summer" or "She enrolled in "a freely available course" on Coursera to improve her coding skills."

What's the difference between "an open course" and "a free course"?

While "an open course" indicates that the course is accessible to anyone without prerequisites, "a free course" specifies that there is no tuition fee. A course can be both open and free, but not necessarily.

What are some alternatives to saying "an open course"?

Depending on the context, you can use alternatives like "a course open to all", "an unrestricted course", or "an accessible course" to convey a similar meaning.

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Source & Trust

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Real-world application tested

Most frequent sentences: