Used and loved by millions
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
in one age
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "in one age" is correct and usable in written English.
It can be used to refer to a specific period in history or a particular era when discussing events, ideas, or cultural phenomena. Example: "In one age, the concept of chivalry was paramount among knights and nobles."
✓ Grammatically correct
News & Media
Science
Academia
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
21 human-written examples
Since 2009, Shoshanah has led AIRnyc in its evolution from a small research initiative focused on one disease (asthma) in one age cohort (children) in one neighborhood (Harlem) to a social enterprise that now serves adults and children citywide, by helping to address the impact of social determinants of health (SDOH) as drivers of medical utilization, cost, and health outcomes.
Academia
And so what might make a book in a titanic success in one age often has little bearing on its later success.
News & Media
If so, then we should learn another lesson from history: that what works well in one age can fail completely in another.
News & Media
More so than any other form of emotional expression, tears are also subject to shifting cultural and historical readings, symbolising piety and sensitivity in one age and hysteria and weakness in another.
News & Media
If woman is not by this time an angel in human guise the lapse is not for lack of open correction, supplied by the monks in one age or the Menckens in another.
News & Media
They are not concentrated in one age group; at least 83% of Internet users across all ages consume Internet video.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
39 human-written examples
The arithmetic underlying Pennsylvania Station is mind-bending: 1,005 trains a day, from three different railroads, barreling through seven tunnels, converging on just 21 tracks in one aging station, bursting at the seams.
News & Media
In one case (aged 16 years), the T plate was placed proximally such that no screws crossed the physis.
A greater percentage of snowboarders are teenagers, who suffer the highest overall rate of injury in any one age group in either sport.
News & Media
For participants in any one age group, antibody levels against the different capture antigens/mixtures did not differ significantly.
Science
Genes listed in more than one age group are noted in the text.
Science
Expert writing Tips
Best practice
When discussing cultural or historical shifts, use "in one age" to emphasize how values, practices, or technologies were specific to that period.
Common error
Avoid using "in one age" when a specific date or timeframe is more appropriate. "In one age" is best for general periods, not precise historical moments.
Source & Trust
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "in one age" functions as a prepositional phrase, often acting as an adverbial modifier. It specifies a particular period, setting a temporal context for the statement it modifies. Ludwig examples show its use in historical and societal comparisons.
Frequent in
News & Media
33%
Science
33%
Academia
34%
Less common in
Wiki
0%
Formal & Business
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "in one age" is a prepositional phrase that acts as an adverbial modifier, setting a temporal context. Ludwig AI confirms its grammatical correctness and usability, though it is relatively rare. The phrase appears in news, scientific, and academic contexts, indicating a neutral to slightly formal register. Use it to compare or contrast different time periods, but avoid using it when a specific date would be more appropriate.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
during an era
Simplified version, omitting 'one' for brevity, but maintaining the core meaning.
during a particular era
Replaces 'one age' with 'a particular era', emphasizing a specific period known for certain characteristics.
in a specific time period
Uses 'time period' instead of 'age', providing a more general reference to a defined duration.
in a distinct period
Replaces 'age' with 'period' and 'one' with 'distinct' to highlight a clearly defined timeframe.
within a certain epoch
Substitutes 'age' with 'epoch', suggesting a longer and more significant span of time.
in a given era
Uses 'given era' to denote a specified period, implying a context already established or known.
in a historical epoch
Adds 'historical' to emphasize the significance and past nature of the time period.
in that generation
Shifts focus to a generational timeframe rather than a broad age.
at that time
Offers a more concise and less formal alternative, referring to a specific point in the past.
back then
Informal way of referencing a past time, suitable for casual contexts.
FAQs
What does "in one age" mean?
The phrase "in one age" refers to a specific period in history or a particular era. It's used to describe conditions, beliefs, or events that were characteristic of that time.
How can I use "in one age" in a sentence?
You can use "in one age" to highlight differences between time periods. For example: "In one age, the primary mode of transportation was horse-drawn carriages, while today it's automobiles."
What can I say instead of "in one age"?
You can use alternatives like "during a particular era", "in a specific time period", or "within a certain epoch depending on the context.
Is "in one age" formal or informal?
"In one age" is generally considered neutral to slightly formal. While not overly academic, it's suitable for historical discussions and descriptive contexts. More casual alternatives exist, like "back then".
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
88%
Authority and reliability
4.1/5
Expert rating
Real-world application tested