variation in speed

USAGE SUMMARY

The phrase "variation in speed" is correct and usable in written English.
You can use this phrase when you want to refer to a change in the speed or rate of something. For example, "I noticed a big variation in speed when I drove up the mountain road."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

41 human-written examples

Johnson starts his over well with two dot balls and some nice variation in speed.

The Guardian - Sport

The variation in speed is caused by congestion which is greatest during morning and evening rush hours.

Computers & Operations Research

However, while he acknowledges the variation in speed of adoptions between local authorities, Dunkley adds: "It is important that this complex area of work is not oversimplified through the use of crude performance measures or process‑driven inspection".

The Guardian

Results showed that both speech-based and handheld text entries impaired driving performance relative to the drive-only condition by causing more variation in speed and lane position.

Accident Analysis & Prevention

The utilized model of the material of the matching layers has influence on amount and trend of variation in speed ratio.

Ultrasonics

Unfortunately, the high cost and low reliability of the electronics that enable variation in speed have discouraged this mode of operation for distributed wind turbines.

Renewable Energy

Human-verified similar examples from authoritative sources

Similar Expressions

19 human-written examples

From the data analysis, it was found that there was not much variation in speeds for given vehicle type and location.

Transportation Research Procedia

A single significant QTL on chromosome X contributed to variation in speeds at early (<0.5 sec from the thermal pulse) and late (>3.39 sec from the thermal pulse application) time points.

Genetics

This genomic region contributed to variation in speeds at early and late time points, deceleration, time to reach pause state, probability of responding by reversal, and duration of reversals.

Genetics

Design Consistency analysis considers variations in speed on road alignments to make considerations about road safety.

Procedia - Social and Behavioral Sciences

Registration techniques have been developed to correct for geometric errors arising in the data set because of tissue movement and variations in speed of sound in the tissues.

Ultrasound in Medicine & Biology

Expert writing Tips

Best practice

When describing experimental results, quantify the "variation in speed" with statistical measures like standard deviation or variance to provide precise data.

Common error

Avoid using "variation in speed" when "average speed" or "constant speed" is more appropriate. Ensure the context genuinely involves change or differences in speed, rather than a single, unchanging value.

Linguistic Context

The phrase "variation in speed" functions as a noun phrase, typically acting as the subject or object of a sentence. It refers to the degree to which speed changes or differs. According to Ludwig AI, the phrase is indeed correct and usable in written English.

Expression frequency: Common

Frequent in

Science

80%

News & Media

15%

Formal & Business

5%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "variation in speed" is a grammatically sound and commonly used noun phrase that describes the degree to which speed fluctuates or differs. As Ludwig AI confirms, it is appropriate for written English. Predominantly found in scientific and technical contexts, as shown by the examples from Ludwig, it serves to quantify and analyze changes in velocity. When writing about speed, remember to provide precise data when possible and to ensure "variation in speed" is truly what you intend to convey, rather than a static measure. Related terms like "speed fluctuation" or "velocity change" may offer nuanced alternatives depending on the specific context.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

velocity change

Directly refers to an alteration in velocity.

speed fluctuation

Focuses on the wavering or instability of speed.

speed differential

Highlights the difference between two or more speeds.

differential speed

Emphasizes that speed can be described as a difference between 2 points.

speed modulation

Suggests a controlled or deliberate change in speed.

changing velocity

Emphasizes the dynamic nature of the speed.

acceleration variance

Focuses on the statistical dispersion of acceleration values.

pace variability

Indicates inconsistency in the rate of movement or progress.

rate fluctuation

Highlights the instability or wavering of a rate.

tempo shift

Suggests a change in the speed or rhythm of an activity.

FAQs

How can I accurately measure "variation in speed"?

Use tools and techniques like radar guns, GPS tracking, or high-speed cameras to capture speed data at multiple points in time. Then, apply statistical methods to analyze the differences and fluctuations.

What's the difference between "velocity change" and "variation in speed"?

"Velocity change" refers to a specific instance of velocity altering, while "variation in speed" describes the general tendency of speed to fluctuate over a period or among different instances.

In what contexts is it important to control "variation in speed"?

Controlling "variation in speed" is crucial in areas like manufacturing (for consistent product quality), transportation (for safety and efficiency), and scientific experiments (for accurate data collection).

What are some consequences of high "variation in speed" in traffic flow?

High "variation in speed" in traffic flow can lead to increased accident rates, traffic congestion, and reduced fuel efficiency as drivers frequently accelerate and decelerate.