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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
peak and trough
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "peak and trough" is a correct and usable phrase in written English.
You can use it to describe a process that involves alternating periods of high and low activity, or any situation that oscillates between two extremes. For example, you could say: "The stock market has experienced long periods of peak and trough over the past 10 years, with the value of shares fluctuating wildly."
✓ Grammatically correct
Science
News & Media
Academia
Formal & Business
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
59 human-written examples
Each dynasty goes through peak and trough in relative powers.
Academia
Every dynasty went through peak and trough in relative powers.
Academia
I love the way different athletes peak and trough over a season.
News & Media
The value of agency work, so the reasoning goes, consists in this ability to hire and fire staff according to peak and trough requirements.
News & Media
The diversity of the plays is such that the evening doesn't peak and trough but, rather, branches out in all directions.
News & Media
At a 24-hour dosing interval, Monte Carlo simulations predicted target gentamicin peak and trough concentrations could not be reliably achieved at any dose.
Academia
On a line graph, the amplitude is half the distance between the peak and trough of a daily or circadian rhythm.
Science & Research
The results are striking: the model predicted virtually every peak and trough of the Dow Industrials average since 1993 and continues to do so with amazing accuracy.
News & Media
And not only do commodity prices peak and trough but the enthusiasm of the world's big diversified miners for mega-deals waxes and wanes too.
News & Media
For practical purposes, it would be useful to know the typical shape of a cycle and how to recognize its peak and trough.
Encyclopedias
Human-verified similar examples from authoritative sources
Similar Expressions
1 human-written examples
HDCA had similar circadian peak-and-trough times as did ωMCA, but at much lower concentrations.
Science
Expert writing Tips
Best practice
When describing cyclical data or trends, use "peak and trough" to clearly indicate the highest and lowest points. This provides a concise way to represent the range and variability of the data.
Common error
Avoid using "peak and trough" solely in negative contexts. While "trough" represents the lowest point, the phrase as a whole describes a cycle, not just a decline. Acknowledge the cyclical nature, implying potential recovery or improvement after the "trough".
Source & Trust
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "peak and trough" functions as a noun phrase that identifies the maximum and minimum points within a cyclical or fluctuating process. As Ludwig AI confirms, this phrase is correct and usable in written English. Examples show its application in describing various phenomena, from market trends to biological rhythms.
Frequent in
Science
49%
News & Media
26%
Academia
11%
Less common in
Formal & Business
4%
Encyclopedias
1%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "peak and trough" is a grammatically sound and versatile term used to describe the highest and lowest points within a cycle or fluctuation. Ludwig AI affirms its correct usage in written English. It is most frequently encountered in scientific, news, and academic contexts. This phrase effectively conveys cyclical patterns, making it a valuable tool for precise data analysis and trend identification. While applicable across various registers, it finds particular prominence in formal and technical discussions due to its descriptive accuracy.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
highs and lows
Emphasizes the alternating states of maximum and minimum values or conditions.
periods of rise and fall
A straightforward description of alternating increases and decreases.
ups and downs
A more general term for alternating periods of success and failure or happiness and sadness.
oscillation between extremes
Highlights the movement between two opposite states or conditions.
ebb and flow
Suggests a more continuous and fluid movement between increase and decrease.
fluctuations in activity
Focuses on the changes in the level of activity, whether increasing or decreasing.
wax and wane
Implies a gradual increase and decrease, often associated with cyclical processes like the moon phases.
alternating phases
Describes different stages that follow each other in a repeating sequence.
cycles of boom and bust
Specifically refers to economic cycles of prosperity and recession.
swings and dips
Informal way to describe sudden and significant changes in a value or condition.
FAQs
How can I use "peak and trough" in a sentence?
The phrase "peak and trough" is used to describe the highest and lowest points in a cycle or fluctuation. For example, "The company's profits experienced several periods of "peak and trough" throughout the year."
What's a simpler way to say "peak and trough"?
Alternatives include "highs and lows", "ups and downs", or "ebb and flow", depending on the specific context you want to convey.
Is it correct to use "peak and trough" when referring to a single event?
The phrase "peak and trough" typically implies a recurring or cyclical pattern. For a single event, it's more appropriate to describe it as having a "peak" or reaching a "low point".
What fields of study commonly use the term "peak and trough"?
The phrase "peak and trough" is frequently used in fields such as economics, medicine, and engineering to describe cyclical patterns or fluctuations in data. In economics, it describes business cycles, while in medicine, it may describe drug concentrations or physiological rhythms, and in engineering, signal analysis.
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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
85%
Authority and reliability
4.5/5
Expert rating
Real-world application tested