approximate time periods

USAGE SUMMARY

The phrase "approximate time periods" is correct and usable in written English.
You can use it when discussing durations or intervals that are not exact but are close to a specific timeframe. Example: "The project will take approximately six months, but we should be prepared for any changes in the approximate time periods."

✓ Grammatically correct

Science

News & Media

Wiki

Human-verified examples from authoritative sources

Exact Expressions

1 human-written examples

An up-to-date phylogeny details approximate time periods during which divergences occurred during the evolutionary history of turtles and shows evolutionary relationships among the families as we now know them.

Herpetology An Introductory Biology of Amphibians and Reptiles

Human-verified similar examples from authoritative sources

Similar Expressions

59 human-written examples

In reality, during that approximate time period, Fyre Media earned less than $60,000 in revenue from approximately 60 artist bookings," acting United States Attorney for the Southern District Joon Kim said in a statement Friday.

Vice

Two weeks is the approximate time period observed between onset of symptoms and death.

British Medical Journal

Three days is also the approximate time period during which human airway inflammation and symptoms develop after rhinoviral infection.

Allergy: European Journal of Allergy and Clinical Immunology

As sensitivity analysis, the first six weeks were disregarded, to approximate the time period since the first home visit.

BMC Geriatrics

As sensitivity analysis, the first six weeks were disregarded (i.e. the observation time started at day 42 after discharge), to approximate the time period since the first home visit.

BMC Geriatrics

Data obtained included the mean annual precipitation, the average number of rainy days, the precise or approximate location of the area affected by the landslides, the precise or approximate time, date, or period of the failures, the rainfall conditions that resulted in slope failures and the number of landslides triggered by rain.

Geoenvironmental Disasters

In the analysis we had to make some assumptions about the data in order to calculate time periods from approximate dates.

BMC Family Practice

The victim reported she was sexually assaulted for an approximate 30 minute time period by the three males.

The New Yorker

Together, the two datasets cover an approximate 40-year time period (1965 to 2009).

Geoderma Regional

By examining the effects of 2-hr time windows during which the temperature oscillated between 15° and 25° every 15 min, we found that the temperature-sensitive period for DTCs overlapped with the approximate time of their births.

Genetics

Expert writing Tips

Best practice

When using "approximate time periods", specify the unit of time (e.g., days, weeks, months, years) to provide clarity and context.

Common error

Avoid using "approximate time periods" when a precise duration is known. Opt for specific durations to maintain accuracy and credibility.

Linguistic Context

The phrase "approximate time periods" functions as a noun phrase. It typically modifies another noun or verb by specifying a duration that is not exact but is close to a certain range. Ludwig confirms its usability in English.

Expression frequency: Uncommon

Frequent in

Science

65%

News & Media

20%

Wiki

15%

Less common in

Ludwig's WRAP-UP

In summary, the phrase "approximate time periods" is a grammatically correct and usable term for describing durations that are not exact. As Ludwig AI confirms, it appears in various contexts, predominantly in science and news. When writing, specify units of time for clarity and avoid using the phrase when a precise duration is available. Alternatives such as "estimated duration" or "rough timeframe" can be used depending on the specific nuance needed.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

approximate duration

Highlights the estimated length or continuation of something.

approximate span

Highlights the estimated extent or range of time.

estimated duration

Focuses on the estimated length of something.

estimated time frame

Similar to "approximate time periods", but emphasizes the temporal boundaries.

projected timeframe

Implies a forecast or prediction of time.

anticipated period

Emphasizes the expected or foreseen duration.

rough timeframe

Indicates a less precise estimate of time.

estimated interval

Focuses on the estimated gap between two points in time.

tentative schedule

Emphasizes the provisional nature of the timing.

ballpark timeframe

Suggests a very general estimate of time.

FAQs

How can I use "approximate time periods" in a sentence?

You can use "approximate time periods" to describe durations that are not exact, for instance, "The study covered approximate time periods between 1990 and 2000."

What's the difference between "approximate time periods" and "estimated time frame"?

"Approximate time periods" and "estimated time frame" are very similar, both referring to inexact durations. The choice often depends on stylistic preference.

What are some alternatives to "approximate time periods"?

Alternatives include "estimated duration", "rough timeframe", or "projected timeframe", depending on the context.

When is it appropriate to use "approximate time periods"?

Use "approximate time periods" when you need to indicate a general duration without being precise. This is useful in situations where exact data is unavailable or unnecessary.