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
quantity of sunlight
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "quantity of sunlight" is correct and usable in written English.
It can be used when discussing the amount of sunlight that reaches a particular area, often in contexts related to gardening, agriculture, or environmental science. Example: "The quantity of sunlight that this garden receives each day is crucial for the growth of the plants."
✓ Grammatically correct
Science
News & Media
Wiki
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
2 human-written examples
The dark pigment in skin that protects tropical peoples from the sun's intensity attenuates the manufacture of vitamin D. With intense sun exposure, this is not a problem, as the quantity of sunlight compensates perfectly for the relative inefficiencies of vitamin D production, leading to just the right levels.
News & Media
Given that light exposure is mediated by numerous factors, evaluation of the quantity of sunlight exposure, as well as the intensity and quality of light in field work, should be performed in future studies.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
56 human-written examples
It nonchalantly proposed dealing with the results by dumping vast quantities of reflective particles into the oceans, to increase the amount of sunlight reflected into space.That school of thinking has since fallen out of fashion.
News & Media
Provide the right amount of sunlight.
Wiki
Factors that may explain the differences in prevalence of vitamin D deficiency between the African-American and Hispanic children whom we studied include diet, time spent outdoors, quantity and intensity of sunlight exposure, clothing worn while outdoors, skin pigmentation, and use of sunscreens.
The model links spatial quantities of available sunlight, degree-day accumulation and soil water content to the establishment and growth of individual tree and shrub species.
Science
The company's numbers have leaked in various quantities before, but today's disclosure is a welcome dose of sunlight.
News & Media
Data were collected regarding symptoms of rickets, the frequency and quantity of dairy product intake, and usual sunlight exposure.
Latitude and season affect the quantity and quality (wavelength) of solar radiation and thus influence the ability of sunlight to synthesize vitamin D3 in the skin [ 7].
Science
Small quantity of AgNPs (0.1 g/L) has potential capacity to remove cationic dyes in the presence of sunlight and have noticeable antibacterial activity.
The effect of extract quantity, silver nitrate concentration, temperature and pH on the formation of AgNPs in the presence and absence of sunlight is also studied.
Expert writing Tips
Best practice
When discussing the impact of sunlight on plant growth, specify the "quantity of sunlight" in hours or as a relative measure (e.g., full sun, partial shade) for clarity.
Common error
Avoid assuming that any amount of sunlight is beneficial without considering factors like intensity, duration, and the specific needs of the subject (e.g., plants, skin). Always specify the context when discussing the "quantity of sunlight".
Source & Trust
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "quantity of sunlight" functions as a noun phrase that specifies a measurable or estimated amount of solar radiation received in a particular area or over a specific time. Ludwig AI shows this phrase being used in varied contexts to describe environmental conditions and their impacts.
Frequent in
Science
35%
News & Media
35%
Wiki
15%
Less common in
Formal & Business
5%
Encyclopedias
5%
Reference
5%
Ludwig's WRAP-UP
The phrase "quantity of sunlight" is a grammatically correct and frequently used term to describe the amount of solar radiation received in a specific area or time. According to Ludwig AI, this phrase appears across diverse contexts, including science, news, and general information, demonstrating its versatility. It is often used to explain phenomena like vitamin D synthesis, plant growth, and the efficiency of solar energy. When using this phrase, ensure clarity by specifying the units or providing a relative measure. Remember to differentiate between "quantity of sunlight" and other factors, such as sunlight intensity and duration, to avoid overgeneralizations.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
amount of sunlight
Replaces "quantity" with "amount", a direct synonym, maintaining the same meaning.
level of sunlight
Substitutes "quantity" with "level", emphasizing the intensity or degree of sunlight.
intensity of sunlight
Focuses specifically on the strength or power of the sunlight.
availability of sunlight
Highlights whether sunlight is accessible or present, not necessarily the exact amount.
sunlight exposure
Emphasizes the act of being subjected to sunlight, rather than the measure of it.
solar irradiance
Uses a scientific term for the power of sunlight per unit area.
sunshine duration
Focuses on the length of time sunlight is present.
solar radiation
Uses a more general term for energy from the sun, which may include ultraviolet and other wavelengths.
sun's rays
Emphasizes the beams or streams of light coming from the sun.
degree of insolation
Scientific term referring to the amount of solar radiation received on a surface.
FAQs
How does the "quantity of sunlight" affect vitamin D production?
The "quantity of sunlight" exposure directly influences vitamin D synthesis in the skin. Insufficient sunlight can lead to vitamin D deficiency, especially in individuals with darker skin pigmentation.
What is the difference between "amount of sunlight" and "quality of sunlight"?
While "quantity of sunlight" refers to the measure or duration of sunlight exposure, "quality of sunlight" pertains to its wavelength composition, which affects its ability to synthesize vitamin D or support photosynthesis.
How can I measure the "quantity of sunlight" in my garden?
You can estimate the "quantity of sunlight" by observing how many hours of direct sunlight different areas of your garden receive each day. Use a light meter for more precise measurements.
Why is the "quantity of sunlight" important for solar energy?
The "quantity of sunlight" is a crucial factor in determining the efficiency of solar panels. Areas with higher sunlight levels can generate more electricity from solar energy.
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
80%
Authority and reliability
4.5/5
Expert rating
Real-world application tested