at week

USAGE SUMMARY

The phrase "at week" is not correct and usable in written English.
It is typically used incorrectly as it lacks the necessary context or structure to convey a clear meaning. Example: "We will review the progress at week three of the project."

⚠ May contain grammatical issues

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

Median age at Week 120 was 12 years.

Neuromuscular Disorders

Feed and milk samples analysed at week 3 were negative.

Livestock Production Science

In addition, the LIPUS group showed significantly higher BMD at week 8 than controls, but not at week 16.

Ultrasound in Medicine & Biology

Immunizations took place at week 0, 4, 12 and the boosting dose is planned at week 36.

Vaccine

The clinical status was again determined at week 24.

European Journal of Hybrid Imaging

The clinical response was defined at week 16 and 24.

European Journal of Hybrid Imaging

Among the differences, those at week 12 were statistically significant.

Maxillofacial Plastic and Reconstructive Surgery

Mice were sacrificed at week 16 of the experimental period.

Nanoscale Research Letters

(1) Biomechanical testing was done only at week 5.

Journal of Orthopaedics and Traumatology

Growth was observed for cultures from all accessions at week 12, including subsequent plantlet regeneration.

Advances in Space Research

In group 1, new bone was observed at week 4 and BM appeared at week 12, in groups 2 and 3, new bone was observed at week 8 and it was more mature at week 12, in contrast, the defect was not bridged in group 4 at week 12.

Applied Surface Science

Expert writing Tips

Best practice

For clarity, consider using more grammatically standard alternatives such as "in the week of" or "during that week" when referring to events occurring within a specific week.

Common error

Avoid using "at week" in formal writing as it lacks precision and may be perceived as grammatically incorrect. Contextualize by specifying "in week [number]" or "during week [number]" for better clarity.

Linguistic Context

The phrase "at week" functions as an adverbial phrase indicating a point in time relative to a week. However, it's often considered grammatically incorrect, as pointed out by Ludwig, and requires contextual clarification for proper usage. In most examples, it specifies when an event or measurement occurred.

Expression frequency: Very common

Frequent in

Science

100%

Less common in

News & Media

0%

Formal & Business

0%

Academia

0%

Ludwig's WRAP-UP

The phrase "at week" is frequently used, particularly in scientific literature, to denote a specific point in time within a week. However, Ludwig AI flags it as grammatically incorrect. While prevalent, it's advisable to use more precise and grammatically sound alternatives such as "in the week of", "during that week", or "in week [number]" for clearer communication and greater formality. Its high usage in specific domains doesn't override the general recommendation for grammatically proper phrasing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

during that week

This is a more concise phrasing to indicate an event occurring within a specified week.

in the week of

This alternative provides a more grammatically sound way to indicate something occurring within a specific week.

during the week of

This phrase specifies that an event happened within the time frame of a particular week.

that week

Using "that week" provides a simpler and direct way of referring to a particular week.

within the week of

This option emphasizes that something falls inside the period of a certain week.

on the week commencing

This version highlights the starting point of the week when something happened.

in that specific week

This alternative clarifies the reference to a particular week being discussed.

in the course of the week

This version emphasizes the progression of time within the week when an event happened.

by the end of the week

This indicates the completion or culmination of an event before the week concludes.

over the course of the week

This suggests that something develops or happens gradually throughout the week.

FAQs

How can I properly use "at week" in a sentence?

While commonly found, "at week" is considered grammatically incorrect. For formal writing, use "in week [number]" or "during week [number]" to denote a specific week. For example, "The study was conducted "during week 3"".

What phrases can I use instead of "at week"?

You can use phrases like "in the week of", "during the week of", or "within the week of" to refer to a specific week in a grammatically correct manner.

Is "at week" grammatically correct?

No, "at week" is generally considered grammatically incorrect in formal English. Alternatives like "in that specific week" or "during that week" are preferable.

What's the difference between "at week" and "during the week"?

"At week" is often used incorrectly to specify a point in time within a week, while "during the week" refers to activities or events happening throughout the week. For instance, "The conference took place during the week", not "at week".