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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
twice per week
Grammar usage guide and real-world examplesUSAGE SUMMARY
"twice per week" is a perfectly acceptable and correct way of writing this phrase.
You can use it at any time you are referring to something that occurs two times within a one-week period. For example, "I attend salsa dancing classes twice per week."
✓ Grammatically correct
Academia
Science
Alternative expressions(4)
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
60 human-written examples
Meets evenings twice per week.
Academia
Meets morning or evenings twice per week.
Academia
Children participated in garden-based activities twice per week.
Class meetings are held twice per week, on Tuesdays & Thursdays.
Academia
Mice were scored twice per week for 10 weeks.
Science & Research
Forty four e-tutors participated for one hour and a half a course, twice per week.
Nocturnal symptoms at least twice per week were reported by 19%.
Science
Monitoring was carried out over 8 h, twice per week from January 2011 to December 2012.
Science
The animals were fed a nutritious diet and subjected to semen collection twice per week.
Science
Additionally, it has study sessions twice per week for students with home-made food.
Lectures are provided by video twice per week; live 3-hour recitation one evening per week.
Expert writing Tips
Best practice
In scientific writing, "twice per week" provides a precise measure of frequency, ensuring clarity and reproducibility in experimental protocols.
Common error
Be careful not to use "biweekly" interchangeably with "twice per week". While "twice per week" is clear, "biweekly" can mean either twice a week or once every two weeks. To avoid confusion, use "twice per week" for clarity.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "twice per week" functions primarily as an adverbial phrase of frequency, modifying verbs to indicate how often an action occurs. Ludwig AI confirms its grammatical correctness, highlighting its role in specifying recurring actions.
Frequent in
Science
50%
Academia
45%
Wiki
5%
Less common in
News & Media
0%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "twice per week" is a grammatically sound and very common way to express frequency, indicating that something occurs two times within a seven-day period. Ludwig AI confirms its correctness, noting its wide acceptance. While alternatives like "biweekly" exist, "twice per week" offers clarity and avoids potential ambiguity. Its use is prevalent in both scientific and academic writing, providing a precise measure of recurrence. Therefore, employing "twice per week" ensures effective communication regarding the frequency of events or activities.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
two times a week
This alternative rephrases "twice per week" using slightly different wording, maintaining the exact same meaning.
two times in a week
A more verbose phrasing of "twice per week" that retains identical meaning.
biweekly
This single word replaces "twice per week" with a more concise term, but might be misinterpreted as 'every two weeks'.
twice in seven days
Expresses frequency with explicit emphasis on the seven-day period.
on two days each week
This specifies the frequency by highlighting the occurrence on two distinct days weekly.
semiweekly
Similar to 'biweekly', this term condenses the phrase, but it's less common and slightly ambiguous.
at a rate of twice weekly
This alternative emphasizes the rate at which something occurs.
on a semiweekly basis
This alternative uses a more formal tone to describe the frequency.
every three to four days
This alternative provides an approximate range that includes "twice per week", introducing a degree of variability.
two sessions weekly
Specifies the nature of occurrence, replacing 'per' with 'sessions'.
FAQs
How can I use "twice per week" in a sentence?
Use "twice per week" to indicate that something happens two times within a seven-day period. For example, "I go to the gym "twice per week"."
What are some alternatives to saying "twice per week"?
Alternatives include "biweekly" (though this can be ambiguous), "two times a week", or "semiweekly".
Is it better to say "twice a week" or "twice per week"?
Both "twice a week" and "twice per week" are grammatically correct and widely accepted. The choice often comes down to personal preference, although "twice a week" is slightly more common in everyday conversation.
What does "twice per week" mean in the context of exercise recommendations?
When health guidelines recommend exercising "twice per week", it means you should engage in physical activity on two separate days within a week, allowing for rest and recovery between sessions.
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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
4.5/5
Expert rating
Real-world application tested