once per week

USAGE SUMMARY

The phrase "once per week" is correct and usable in written English.
It can be used to indicate a frequency of occurrence, specifically that something happens one time within a week. Example: "We will hold our team meetings once per week to discuss project updates and progress."

✓ Grammatically correct

Science

Academia

News & Media

Human-verified examples from authoritative sources

Exact Expressions

59 human-written examples

The class will meet once per week.

Cornell University

Each group will meet once per week.

Stanford University

Once per week the IACC compares then these ionosphere products with a dedicated comparison algorithm.

Advances in Space Research

Typically, therapy sessions last about 50 minutes once per week.

Harvard University

During the dry weather studies, samples were collected once per week for 5 weeks.

Water Research

Subjects joined a Lifeball group with opportunity to play at least once per week.

Journal of Science and Medicine in Sport

Behavioral observations were recorded live once per week for 5 (summer) or 4 (winter) nonconsecutive periods.

Journal of Dairy Science

To examine social and physical environmental correlates of cycling regularly (i.e. at least once per week) among school-aged children.

Journal of Science and Medicine in Sport

Soil samples were collected at two-month intervals and water was added once per week to half of the plots.

Acta Oecologica

Typically, the double cannula tube is replaced once per week.

Maxillofacial Plastic and Reconstructive Surgery

Human-verified similar examples from authoritative sources

Similar Expressions

1 human-written examples

To compare reticulocyte responses of once-per-week erythropoietin (EPO) dosing with 3-times-a-week dosing in preterm infants.

The Journal of Pediatrics

Expert writing Tips

Best practice

Use "once per week" to clearly specify a recurring action or event that happens every seven days, ensuring clarity and avoiding ambiguity in scheduling or frequency.

Common error

Avoid mixing "once per week" with other less precise frequency descriptions in the same context. Maintain consistency for clarity. For instance, don't say "once per week" and then "sometimes" without defining what 'sometimes' means in this scenario.

Linguistic Context

The phrase "once per week" functions as an adverbial phrase of frequency, modifying a verb to specify how often an action occurs. Ludwig examples show it used to describe meeting schedules, data collection intervals, and treatment regimens.

Expression frequency: Very common

Frequent in

Science

43%

Academia

15%

News & Media

8%

Less common in

Formal & Business

5%

Wiki

5%

Reference

0%

Ludwig's WRAP-UP

The phrase "once per week" is a common and grammatically correct adverbial phrase used to indicate that something occurs every seven days. According to Ludwig AI, it is versatile enough for use in science, academia, news and media, and other contexts, maintaining a neutral register. Alternatives include "weekly" and "once a week". When using "once per week", ensure consistency in your frequency descriptions for clarity. The phrase is indeed very common, as confirmed by the provided examples.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

weekly

Single-word adjective form indicating something that happens every week.

every week

More general phrase indicating recurrence each week.

one time per week

Emphasizes the 'one time' aspect of the frequency.

once a week

Slightly more casual and common variant.

at weekly intervals

Focuses on the spacing of events in intervals.

on a weekly basis

Emphasizes the recurring nature of the action each week.

seven-day intervals

Rephrases the time span.

each seven days

Highlights the 'each' aspect of the weekly recurrence.

week after week

Emphasizes the repetition of the event.

every seven days

Specifies the exact number of days between occurrences.

FAQs

What does "once per week" mean?

The phrase "once per week" means that something happens one time every seven days.

How can I use "once per week" in a sentence?

You can use "once per week" to describe how often an activity happens, such as, "The class meets "once per week" for three hours."

What is a synonym for "once per week"?

A common synonym for "once per week" is "once a week". You can also use "weekly" to convey the same meaning.

Is it better to say "once per week" or "once a week"?

Both "once per week" and "once a week" are correct and widely understood. The choice often depends on personal preference or the specific context.