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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
at which course
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "at which course" is correct and usable in written English.
It can be used when referring to a specific course or class in an academic or training context. Example: "The professor will discuss the syllabus at which course we will cover advanced topics in physics."
✓ Grammatically correct
News & Media
Science
Wiki
Alternative expressions(20)
is equivalent to
in the wishes of
rapidly thereafter
for the immediate future
Very soon
somewhere later
one week before
at the early time
in the next weeks
during the previous years
it is important to remember
to avoid disruption
not yet completed
in accordance with direction from
a couple of books before
if not soon
as excellent as
in a flash
as instructed by the directive
as tall as
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
1 human-written examples
The president did hint at which course he prefers, however.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
Government must look closely at which courses produce the graduates that have had - and will continue to have - a really positive impact on the UK economy and protect those subject areas accordingly.
News & Media
Gordon, 30, did not qualify well for Sunday's race and will start 13th on a 2.45-mile course at which track position means almost everything.
News & Media
AT&T has not said which course it will take.
News & Media
OTT: All who stay can enjoy a five-course meal at which every course - from soup to dessert - is accompanied by a differing vintage of Perrier Jouet champagne.
News & Media
For responses on course-based items, e.g., the level at which a course is taught freshmen, sophomore, junior, senior all courses were included in data analysis.
Cuts are likely to lead to some reductions in academic staff as vice chancellors take a hard look at their offerings – which courses are recruiting well, which not – and whether academics are pulling their weight in all areas of research.
News & Media
■ Examine the syllabus to determine how much work will be required and the level at which the course will be taught.
News & Media
The children loved taking Fred on walks around the room, down the hall, and even to visit the tree frog (at which, of course, Fred never barked).
News & Media
The academic standards at which the course is set will probably not be achieved by less capable individuals (unless these standards are lowered), increasing the possible numbers who drop out of the course or those unable to pass a licensing exam where one exists.
Science
Using this device, you'll be able to measure the degree at which the course of light is altered within the stone.
Wiki
Expert writing Tips
Best practice
While grammatically correct, consider using simpler alternatives like "in which course" or "during which course" for clearer and more concise writing.
Common error
Avoid using "at which course" in informal contexts. It can sound stilted and unnatural. Opt for more conversational options.
Source & Trust
84%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "at which course" functions as a relative clause, modifying a noun by providing additional information about a specific course. Ludwig's examples show its usage in academic and general contexts.
Frequent in
News & Media
33%
Science
33%
Wiki
33%
Less common in
Formal & Business
0%
Encyclopedias
0%
Academia
0%
Ludwig's WRAP-UP
In summary, the phrase "at which course" is grammatically sound but not very common. Ludwig AI confirms its correctness. Its primary function is to specify a course in relation to another element in the sentence. It's most frequently found in news, science, and wiki contexts and tends toward a formal register. For clearer writing, consider alternatives like "in which course" or "during which course".
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
in which course
Replaces "at which" with "in which", offering a slightly more common and straightforward alternative.
during which course
Substitutes "at which" with "during which", emphasizing the temporal aspect of the course.
where the course
Uses "where" instead of "at which", simplifying the sentence structure.
on which course
Replaces the preposition with "on", slightly altering the nuance but maintaining the core meaning.
at what point in the course
Expands the phrase to specify a point within the course, adding detail.
in what section of the course
Similar to previous, focuses on a specific section instead of the entire duration.
within the curriculum
Replaces the focus on a specific "course" with the broader concept of the "curriculum".
throughout the classes
Shifts the emphasis to the general experience of the "classes" rather than a single "course".
during the lessons
Synonymous replacement with the word "lessons".
in the program
Generalizing a group of courses within a "program".
FAQs
How can I rephrase "at which course" for better clarity?
Consider using alternatives such as "in which course", "during which course", or "where the course" depending on the specific context.
Is "at which course" grammatically correct?
Yes, the phrase is grammatically correct but can sound somewhat formal. Ludwig AI confirms this and it's perfectly acceptable.
When is it appropriate to use "at which course"?
This phrase is most suitable for formal writing or when referring to a specific point or aspect within an academic or training program. Using the phrase "in which course" might be a more suitable alternative.
What's a simpler alternative to "at which course"?
A simpler alternative could be "during which course", or restructuring the sentence to use "where" or "in" directly.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
3.8/5
Expert rating
Real-world application tested