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
an unquantified time span
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "an unquantified time span" is correct and usable in written English.
It can be used when referring to a duration of time that has not been measured or specified in exact terms. Example: "The project will take an unquantified time span to complete, as we are still assessing the requirements."
✓ Grammatically correct
Science
News & Media
Formal & Business
Alternative expressions(4)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified similar examples from authoritative sources
Similar Expressions
60 human-written examples
A pregnancy with several serological checks is not a time point but a time span.
Science
Such a large time span can be a challenge for LSTMs.
News & Media
"Mr. Dior was very innovative during a short time span.
News & Media
That might sound like a short time span, he says, but translated to human life span that's 25 years.
Science & Research
RGI: The averaged RGI data for a given time span.
Our review focused on 1990 2015 as a reasonable time span.
Science
It is too short a time span to tell.
News & Media
Evolution cannot be measured in a time span that short.
News & Media
h, Superimposed trajectories over a 30-min time span recording.
Science & Research
Allocate a time span to each thing you've listed.
Wiki
The time span suggested a possible identity for the corpses.
News & Media
Expert writing Tips
Best practice
Use "an unquantified time span" when you want to acknowledge that the exact duration is unknown or not yet determined. This is especially useful in project planning or scientific studies where precise timing is uncertain.
Common error
Avoid using "an unquantified time span" when you mean "an unquantifiable time span." "Unquantified" means the duration hasn't been measured, while "unquantifiable" means it's impossible to measure.
Source & Trust
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "an unquantified time span" functions as a noun phrase, typically acting as a subject or object in a sentence. It describes a duration of time that hasn't been precisely measured or determined. Ludwig indicates it is grammatically correct.
Frequent in
Science
0%
News & Media
0%
Formal & Business
0%
Less common in
Science
0%
News & Media
0%
Formal & Business
0%
Ludwig's WRAP-UP
In summary, "an unquantified time span" is a grammatically correct noun phrase used to describe a duration of time that hasn't been specifically measured or determined. As Ludwig notes, the phrase is acceptable and understandable in written English. While its frequency is low, it appears in various contexts, often in professional, scientific, or news-related discussions where acknowledging uncertainty in duration is necessary. When writing, ensure that you're referring to a time period that is truly unmeasured and not simply immeasurable, and consider using alternative phrases like "an unspecified duration" for clarity or variety. Based on the absence of exact matches and on Ludwig AI analysis it's confirmed that this expression is valid and correct.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
an unspecified duration
Focuses on the lack of specification of the time period.
an indeterminate time frame
Highlights the uncertainty and lack of defined limits.
an unknown length of time
Emphasizes the lack of knowledge regarding the duration.
an unmeasured period
Implies that the time has not been or cannot be measured.
an immeasurable time span
Suggests that the time span is so vast or vague as to be impossible to measure.
an undefined time period
Similar to "unspecified duration" but uses "period" instead of "duration".
an open-ended timeframe
Indicates that there is no set end point for the duration.
an estimated duration
Suggests there is some guess of the duration, without having an exact specification of it
a rough timeframe
Indicates that the timeframe is estimated with some uncertainty.
a tentative period
Emphasizes the provisional and uncertain nature of the time period.
FAQs
How can I use "an unquantified time span" in a sentence?
You can use "an unquantified time span" when referring to a period whose length is not specifically measured or known. For example: "The completion of the research project is projected to take "an unspecified duration", as the variables involved remain under observation."
What's the difference between "an unquantified time span" and "an unknown duration"?
"An unquantified time span" highlights that the period has not been measured or determined, while "an unknown duration" simply states that the length of time is not known. They are semantically similar but emphasize different aspects of the lack of knowledge. You could also say "an indeterminate time frame".
Which is more appropriate in formal writing, "an unquantified time span" or "an estimated duration"?
In formal writing, "an unquantified time span" is suitable when emphasizing the lack of precise measurement, whereas "an estimated duration" suggests that there's some approximation or guess. Use the phrasing that best fits the context and the message you intend to convey, or opt for "a tentative period".
What can I say instead of "an unquantified time span" to sound less technical?
For less technical alternatives, you can use phrases like "an unknown period", "an indefinite time", or "a yet-to-be-determined duration", or "a rough timeframe".
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
81%
Authority and reliability
4.1/5
Expert rating
Real-world application tested