two weeks interval

USAGE SUMMARY

"two weeks interval" is correct and usable in written English.
You can use it to express a period of time that is two weeks long. For example, "I will come back to check in after a two weeks interval."

✓ Grammatically correct

Science

Medicine

Research

Human-verified examples from authoritative sources

Exact Expressions

17 human-written examples

Both the original English version and the newly translated French-Canadian version were administered to 251 bilingual students from four Canadian provinces (Manitoba, New-Brunswick, Ontario, and Quebec), with a one to two weeks interval.

Psychologie Française

The only significant difference between patients and controls in the present study was a slightly increased heart rate in patients over the two weeks interval.

The Journal of Headache and Pain

Mice were vaccinated three times at two weeks interval with Ag85B-TB10.4/IC31® asd as a positive control for protection, BCG vaccinated mice were included.

Plosone

four times at two weeks interval.

BMC Infectious Diseases

OMAS was completed by the patients on two occasions at one to two weeks' interval.

BMC Musculoskeletal Disorders

Growth traits were calculated as the differences between body-weights at the two weeks interval.

BMC Genomics

Human-verified similar examples from authoritative sources

Similar Expressions

43 human-written examples

Thereafter, the corresponding data were collected sequentially at two weeks' intervals until 36 weeks' corrected gestational age or until the end of O2 supplementation, or until FWC normalized.

Plosone

Adult female C57BL/6 mice (The Jackson Laboratory) received three inoculations subcutaneously with 20 µg of protein formulated in 10 µg AbISCO®-100 adjuvant (Isconova AB) at two weeks intervals.

Plosone

Colonization protocol was administered 3 times at two weeks intervals.

Cell

Emulsions were administered at 200 μl per mouse, 3 times at two weeks intervals.

Cell

For the immunization experiments, rabbits were injected at three time points at two weeks intervals: 0 days, 14 days and 28 days.

BMC Biotechnology

Expert writing Tips

Best practice

When describing the frequency of events, use "two weeks interval" to specify a period of fourteen days between occurrences, especially in scientific or medical contexts. This makes the time frame clear and unambiguous.

Common error

Avoid using "bi-weekly" without clarification, as it can be misinterpreted to mean both twice a week and every two weeks. Using "two weeks interval" removes this ambiguity.

Linguistic Context

The phrase "two weeks interval" functions as a noun phrase that specifies a duration or gap between events. Ludwig AI confirms its correct usage. Examples show it often modifies verbs like 'administered', 'vaccinated', or 'measured', indicating the frequency or timing of actions.

Expression frequency: Common

Frequent in

Science

95%

Medicine

4%

Academia

1%

Less common in

News & Media

0%

Formal & Business

0%

Wiki

0%

Ludwig's WRAP-UP

The phrase "two weeks interval" is a grammatically sound and frequently used term, primarily in scientific and medical writing, to denote a period of fourteen days between events. Ludwig AI confirms its validity and provides numerous examples. While alternatives like "fortnightly period" exist, "two weeks interval" offers clarity and precision in specifying the timing of periodic activities. When using this phrase, ensure it clearly indicates the gap between occurrences to avoid ambiguity, and be mindful of the slightly formal tone.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

an interval of two weeks

Slightly alters the structure by placing 'interval' as the core noun.

fourteen-day interval

Combines the numerical value with the term 'interval', slightly emphasizing the quantitative aspect.

two week gap

Uses the word "gap" as a synonym for interval, making it slightly less formal.

fortnightly period

Replaces "two weeks" with "fortnightly", a less common but synonymous term, maintaining the interval meaning.

duration of a fortnight

Uses "fortnight" instead of "two weeks", while emphasizing the duration.

bi-weekly duration

Uses "bi-weekly" to convey 'every two weeks', offering a more concise expression, while maintaining the duration aspect.

separation of two weeks

Focuses on the "separation" aspect, highlighting the distance in time.

period of fourteen days

Breaks down "two weeks" into its literal number of days, offering a more explicit but less common phrasing.

every other week

Uses the idiomatic expression to convey the idea of something happening every two weeks.

a space of two weeks

Rephrases the concept as a 'space' or gap in time, providing a more descriptive alternative.

FAQs

How do I use "two weeks interval" in a sentence?

You can use "two weeks interval" to describe the space between events, such as "The patients received treatment at a "two weeks interval"" or "Measurements were taken at a "two weeks interval"".

What's the difference between "two weeks interval" and "fortnightly period"?

While both phrases refer to a period of two weeks, "two weeks interval" is more commonly used in scientific and medical contexts to denote a gap between events. "Fortnightly period" can be used more broadly to describe a duration of time.

Is it better to say "two weeks interval" or "an interval of two weeks"?

Both phrases are grammatically correct and have similar meanings. The choice depends on the desired emphasis. "Two weeks interval" is more concise, while "an interval of two weeks" places more emphasis on the 'interval' itself.

Can I use "two weeks interval" in formal writing?

Yes, "two weeks interval" is suitable for formal writing, especially in scientific, medical, and technical fields where precise timeframes are important.