at definite intervals

USAGE SUMMARY

The phrase "at definite intervals" is correct and usable in written English.
It can be used to describe actions or events that occur at specific, regular times or distances. Example: "The train arrives at definite intervals throughout the day, ensuring that passengers have frequent service."

✓ Grammatically correct

Science

News & Media

Academia

Human-verified examples from authoritative sources

Exact Expressions

4 human-written examples

The samples were collected at definite intervals.

Applied Water Science

At definite intervals, samples were taken from the reaction mixture, and the reaction in the selected samples was stopped by boiling for 5 min.

AMB Express

Samples were withdrawn at definite intervals of time and centrifuged, and their dye concentrations were determined by measuring absorbance of the clear solution at 520 nm (UV-Visible spectrophotometer, UV-160A, Shimadzu Corporation, Kyoto, Japan).

International Nano Letters

Samples were withdrawn at definite intervals of time and centrifuged, and their dye concentrations were determined by measuring absorbance of the clear solution at 590 nm (UV-visible spectrophotometer, UV-160A, Shimadzu Corporation, Kyoto, Japan).

Journal of Nanostructure in Chemistry

Human-verified similar examples from authoritative sources

Similar Expressions

56 human-written examples

Samples were harvested at definite interval of time and enzyme activity was calculated.

AMB Express

Five milliliters of the sample were withdrawn at a definite interval of time and analyzed for its COD and color.

Applied Water Science

Continuous on line determination of torque, temperature and O2 uptake have been made together with solution viscosity and mechano-radical yields at definite time intervals.

Polymer Degradation and Stability

Drug concentration estimated in breast homogenate samples at definite time intervals is shown in Fig. 10.

Cancer Nanotechnology

Ten microliter of sample was taken from each Erlenmeyer flask at definite time intervals.

AMB Express

For capillary absorption measurements stone samples were put in contact with water through a multiple layer of filter papers and the water absorbed was determined with gravimetric measurements carried out at definite time intervals.

Heritage Science

Permeate samples were collected at definite time intervals to measure COD (Spectralab, Mumbai, India), total kjeldahl nitrogen (TKN) (Pelican Instruments, Chennai, India), turbidity (Hach, Loveland, CO, USA), pH (Hach), conductivity (Hach), total dissolved solids (TDS) (Hach), total suspended solids (TSS) (Tarsons, Kolkata, India), biochemical oxygen demand (BOD) (Hach), etc.

International Journal of Recycling of Organic Waste in Agriculture

Expert writing Tips

Best practice

Use "at definite intervals" when providing instructions where consistent timing is crucial to success. This ensures clarity and reduces the chance of errors.

Common error

While similar, "at definite intervals" implies a planned and precise spacing, not just general regularity. Avoid using it interchangeably with "at regular intervals" unless you intend to emphasize that precision.

Linguistic Context

The phrase "at definite intervals" functions primarily as an adverbial phrase, modifying verbs by specifying when or how frequently an action occurs. Ludwig examples showcase its use in scientific contexts related to sample collection and measurements, aligning with Ludwig AI's assessment.

Expression frequency: Uncommon

Frequent in

Science

70%

Academia

15%

News & Media

15%

Less common in

Formal & Business

0%

Encyclopedias

0%

Wiki

0%

Ludwig's WRAP-UP

In summary, "at definite intervals" is a grammatically correct adverbial phrase used to indicate that actions or events occur with a specific, planned regularity. Ludwig examples show its prevalence in scientific and technical contexts, emphasizing precision in timing and spacing. While similar to "at regular intervals", it carries a stronger connotation of intentional precision. Ludwig AI confirms its correctness and usability, reinforcing its value in clear and reproducible writing.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

at regular intervals

Focuses on the even spacing of occurrences over time or distance.

at fixed intervals

Highlights the unvarying nature of the spacing between occurrences.

at specific intervals

Emphasizes the precision and intentionality of the chosen spacing.

at set intervals

Suggests a pre-determined schedule or arrangement for the occurrences.

at timed intervals

Highlights the temporal aspect and the use of a timer or clock.

at predictable intervals

Stresses the ability to anticipate when the next occurrence will happen.

at established intervals

Implies that the spacing has been formally decided or agreed upon.

periodically

Focuses on recurrence but is less precise about the nature of the spacing.

at consistent intervals

Similar to regular, but underscores the lack of variation.

on a recurring basis

Emphasizes the repeated nature of the action, but less specific about timing.

FAQs

How can I use "at definite intervals" in a sentence?

You can use "at definite intervals" to describe actions or events that occur at specific, regular times or distances. For instance, "Samples were collected "at definite intervals" to measure the reaction progress".

What phrases are similar to "at definite intervals"?

Alternatives include "at regular intervals", "at fixed intervals", or "at specific intervals", each carrying subtle nuances in meaning.

Is it better to use "at regular intervals" or "at definite intervals"?

The choice depends on the context. "At regular intervals" implies a general even spacing, while "at definite intervals" suggests a pre-planned, precise timing or spacing. Use "at definite intervals" when emphasizing intentional precision.

What's the difference between "at definite intervals" and "periodically"?

"Periodically" indicates that something happens from time to time but does not specify the timing. "At definite intervals" implies a known, consistent timing schedule, unlike "periodically".