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
a visible quantity
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "a visible quantity" is correct and usable in written English.
It can be used in contexts where you are discussing something that can be seen or measured, often in scientific or mathematical discussions. Example: "In the experiment, we measured a visible quantity of the substance to ensure accurate results."
✓ Grammatically correct
Science
News & Media
Wiki
Alternative expressions(3)
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
1 human-written examples
The tracheo- and bronchoesophageal fistulas in dogs previously reported were diagnosed with plain thoracic radiographs after barium CS study [ 2- 4, 14], indicating that the defect had probably been relatively large in diameter, since a visible quantity of contrast material flowing through it.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
Item demand depends on the visible quantity on the shelf and the display orientation.
Science
Sweat, the moisture excreted in visible quantities through the openings of the sweat glands.
Encyclopedias
Multiple cycles of lacZ transcription, translation, and β-galactosidase cleavage of X-gal generate visible quantities of the blue assay product, 5-bromo-4-chloro-3-hydroxyindole.
Science
A visible reduction in terms of quantity and dimension of large square-shaped macropores (width of approximately 750 nm) with depth up to 35 μm was found, as compared with the sample fabricated with a MF of 60 mT. However, significant structural changes were observed in the anodic region of the sample when the perpendicular MF was increased.
Science
On the other hand, the difference between two models with respect to u overall is equal to the sum of the differences between these models with respect to u treated and to u untreated, such that a visible difference between two models with respect to either of these quantities will also be visible with respect to u overall.
Quantity of DNA target in clinical samples was probably insufficient to produce a visible DNA band in single-PCR agar gel analysis.
A visible life.
News & Media
Voodoo lacks such a visible infrastructure.
News & Media
"A visible minority, that's all".
News & Media
Inside was a visible skeleton of polystyrene.
Wiki
Expert writing Tips
Best practice
When describing experimental results, use "a visible quantity" to indicate that the amount of a substance or effect was large enough to be seen without special equipment.
Common error
Avoid using "a visible quantity" when you actually mean something is 'clear' or 'obvious'. "Visible" refers specifically to the ability to be seen, while "clear" refers to understanding or lack of ambiguity.
Source & Trust
81%
Authority and reliability
4.3/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "a visible quantity" functions as a noun phrase, typically used as an object or complement in a sentence. It describes an amount of something that is perceptible to the eye. As Ludwig AI confirms, this phrase is correct and usable in written English.
Frequent in
Science
35%
News & Media
30%
Wiki
20%
Less common in
Encyclopedias
5%
Formal & Business
5%
Social Media
0%
Ludwig's WRAP-UP
In summary, "a visible quantity" is a grammatically sound and versatile phrase used to describe an amount that is perceptible to the eye. According to Ludwig AI, it is correct and usable in written English. Its usage spans various contexts, including science, news, and general writing. While there are various alternatives, such as "a noticeable amount" or "a detectable quantity", the choice depends on the specific nuance you want to convey. It's important not to confuse "visible" with "clear". The phrase maintains a neutral to formal tone, making it suitable for a wide range of writing purposes.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
a noticeable amount
Emphasizes the perceptibility of the amount, focusing on how easily it can be noticed.
a detectable quantity
Focuses on the ability to detect the quantity, often in a scientific or technical context.
an observable quantity
Stresses the ability to observe the quantity, similar to 'visible' but potentially broader.
a measurable amount
Highlights the capacity to measure the quantity, indicating a more precise determination.
a perceptible quantity
Emphasizes the capability to perceive the amount, focusing on sensory detection.
a discernible amount
Focuses on the ability to distinguish or recognize the quantity, suggesting a clear difference.
a tangible quantity
Highlights the concrete or real nature of the quantity, suggesting it can be physically interacted with.
a manifest quantity
Highlights the clear and obvious nature of the quantity, making it easily apparent.
an evident quantity
Focuses on the obviousness of the quantity, indicating it's easily seen or understood.
an appreciable amount
Emphasizes that the quantity is significant or considerable.
FAQs
How can I use "a visible quantity" in a sentence?
Use "a visible quantity" to describe an amount or portion of something that is large enough or distinct enough to be seen. For example, "The experiment produced "a visible quantity" of precipitate."
What are some alternatives to "a visible quantity"?
Alternatives include "a noticeable amount", "a detectable quantity", or "a measurable amount", depending on the specific context.
Is it better to say "visible amount" or "a visible quantity"?
"A visible quantity" is generally more formal and precise, especially in scientific contexts. "Visible amount" is acceptable but can sometimes sound less specific.
When should I use "a visible quantity" versus "a significant quantity"?
"A visible quantity" refers specifically to something that can be seen. "A significant quantity", on the other hand, implies that the amount is important or meaningful, whether or not it is visible. Choose the phrase that best reflects the characteristic you want to emphasize.
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
4.3/5
Expert rating
Real-world application tested