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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
during that epoch
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "during that epoch" is correct and usable in written English.
It can be used to refer to a specific period in history or a significant time frame in a narrative or discussion. Example: "The scientific advancements made during that epoch laid the foundation for modern technology."
✓ Grammatically correct
Science
News & Media
Encyclopedias
Alternative expressions(20)
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
5 human-written examples
But the $145 million NASA satellite, called MAP, that will be launched this summer is intended to collect hints of subtle processes that took place during that epoch.
News & Media
The Pleistocene Epoch (2.6 million to 11,700 years ago) is sometimes called the Great Ice Age, or Glacial Age, because during that epoch ice sheets developed periodically over vast areas of northern and midlatitude North America and Eurasia.
Encyclopedias
This violent collision formed most of its (metal-rich) galactic halo and extended disk and during that epoch Andromeda's star formation would have been very high, to the point of becoming a luminous infrared galaxy for roughly 100 million years.
Wiki
Most of all, I wanted to find out how I felt -- what I really felt, thought, needed, wanted, dreamed about, feared, loathed, craved -- when it came to being a gay man, a gay man in a world made much better because of people like Harvey Milk during that epoch when I was thinking that being gay was something one had to subdue or overcome or endure.
News & Media
The global temperature during that epoch was high enough to allow tropical rain forests to expand significantly.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
55 human-written examples
We describe the initial tests of the antenna pattern by measuring the solar transits during the epoch (June July 2004) that the Sun passed very close to the observatory's zenith.
Science
That's important, he says, because future telescopes will be able to obtain spectra of galaxies that existed during the epoch of reionization but will never detect their extreme ultraviolet light, because neutral hydrogen between them and us blocks it.
Science & Research
Simulations of galaxy formation suggest that such bright galaxy mergers could form, but not in the numbers seen during that active epoch.
Science & Research
Then, instead of having constraint C6 that couples the battery evolution and, hence, couples all allocation variables, our online user association strategy is executed at each epoch independently by allowing each BS to spend just a given fraction of the energy available at the battery during that particular epoch.
On the other hand, he stresses, if looking back to a cosmic age of 500 million years reveals just one candidate galaxy in the Hubble image, and if even that one turns out to be something else, it really means galaxies were extremely rare during that early epoch.
Science & Research
Each epoch is assigned to the sleep stage that occurs most frequently during the time window of that epoch.
Expert writing Tips
Best practice
Use "during that epoch" when you want to refer to a specific and significant period in history or a distinct era with unique characteristics. This phrase adds a sense of historical or temporal depth to your writing.
Common error
Avoid using "during that epoch" in everyday conversations or informal writing. The term "epoch" implies a significant and often lengthy period, so using it for short or insignificant timeframes can sound pretentious or out of place. Instead, consider alternatives like "at that time" or "during that period".
Source & Trust
84%
Authority and reliability
4.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "during that epoch" functions as a prepositional phrase, modifying a verb or noun to specify the time frame in which an action or event occurred. It indicates a particular period, often of historical or geological significance, as shown in the Ludwig examples.
Frequent in
Science
40%
News & Media
40%
Encyclopedias
20%
Less common in
Formal & Business
0%
Wiki
0%
Academia
0%
Ludwig's WRAP-UP
In summary, the phrase "during that epoch" is a grammatically sound prepositional phrase used to pinpoint events within a specific and often significant time period. Ludwig AI confirms its correct usage. While the phrase is considered rare, it is most frequently encountered in scientific, encyclopedic, and news contexts. When writing, it's best to reserve "during that epoch" for contexts where a distinct historical or geological period is being referenced to avoid sounding overly formal in casual settings.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
in that era
Replaces "epoch" with "era", a more common synonym for a distinct period of time.
throughout that period
Substitutes "epoch" with the more general term "period", emphasizing the duration.
during that age
Replaces "epoch" with "age", another synonym referring to a broad span of time.
at that time in history
Adds specificity by explicitly referencing "history", suitable for historical contexts.
in that historical period
Similar to "at that time in history", but uses "historical period" for emphasis.
in those days
Offers a more informal alternative, suitable for less formal or personal narratives.
at that point in time
Offers a more formal and precise way to refer to a specific moment or period.
at that stage
Highlights a specific phase or point within a process or development.
while that era lasted
Emphasizes the duration of the specified time, adding a sense of completion.
back then
Provides a very concise and informal way to refer to a past time.
FAQs
How can I use "during that epoch" in a sentence?
The phrase "during that epoch" is used to specify when something occurred within a distinct period of time. For example, "The global temperature during that epoch was high enough to allow tropical rain forests to expand significantly."
What are some alternatives to "during that epoch"?
Is "during that epoch" formal or informal?
"During that epoch" leans towards the formal side. For more casual contexts, consider using phrases like "back then" or "in those days".
What's the difference between "during that epoch" and "during that time"?
"During that epoch" usually refers to a more significant and extended period, often with historical or geological importance. "During that time" is more general and can refer to any period, long or short.
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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
84%
Authority and reliability
4.2/5
Expert rating
Real-world application tested