quantity of light

USAGE SUMMARY

The phrase "quantity of light" is correct and usable in written English.
It can be used in contexts related to physics, photography, or any discussion involving illumination and brightness. Example: "The quantity of light in the room significantly affects the mood of the space."

✓ Grammatically correct

Science

News & Media

Encyclopedias

Human-verified examples from authoritative sources

Exact Expressions

32 human-written examples

In addition, the quantity of light necessary to affect melatonin may be much smaller than once thought.

The New York Times - Health

As well as addressing cost issues, the Array products are designed to optimise the quantity of light, energy efficiency, colour rendering and beam uniformity.

The Guardian

The total quantity of light should be considered, based upon time and intensity, because damage due to light is both cumulative and irreversible.

Encyclopedia Britannica

The unit for the quantity of light flowing from a source in any one second (the luminous power, or luminous flux) is called the lumen.

Encyclopedia Britannica

Coloration, in biology, the general appearance of an organism as determined by the quality and quantity of light that is reflected or emitted from its surfaces.

Encyclopedia Britannica

The high quantity of light verse in The New Yorker of yore was unarguably made easy to generate by the existence of one genius of the form, Ogden Nash.

The New Yorker

Human-verified similar examples from authoritative sources

Similar Expressions

28 human-written examples

Quantities of light, crisp, hoppy Bud nearly wash away the taste of the sausage.

The Guardian - Travel

Its many co-ops offer generous quantities of light and air at a fraction of Manhattan prices.

The New York Times

It does this by measuring tiny quantities of light emitted from crystalline material, especially the quartz often found in sand.

Independent

Developers hope to open mines in Canada, South Africa and Australia, but all are years from large-scale production and will produce sizable quantities of light rare earths.

The New York Times

Blazars are a special case of "active galaxies" - those whose supermassive black holes spray out great quantities of light across the whole electromagnetic spectrum as they feed on surrounding matter.

BBC

Expert writing Tips

Best practice

When discussing the impact of light on biological processes, consider specifying both the "quantity of light" and its spectrum (wavelengths) for a more complete analysis.

Common error

Avoid using "quantity of light" when you actually mean the color or type of light. "Quantity" refers to the amount, while "quality" refers to the characteristics or properties of the light.

Linguistic Context

The phrase "quantity of light" functions primarily as a noun phrase, acting as the subject or object of a sentence. It describes the measurable amount of light present in a given context. Ludwig AI confirms that it is correct and usable in written English.

Expression frequency: Uncommon

Frequent in

Science

39%

News & Media

32%

Encyclopedias

21%

Less common in

Wiki

5%

Formal & Business

3%

Reference

0%

Ludwig's WRAP-UP

The phrase "quantity of light" refers to the measurable amount of light in a particular setting, often used in contexts related to physics, biology, photography, and environmental science. Ludwig AI confirms its grammatical correctness and usability. While alternatives like "amount of light" exist, "quantity of light" is often preferred in more formal or technical contexts. Understanding the distinction between "quantity" and "quality" is crucial for accurate usage. This phrase, while not extremely common, appears consistently in authoritative sources such as Encyclopedia Britannica and The New York Times, indicating its validity and relevance in both scientific and general discourse.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

amount of light

Replaces "quantity" with "amount", a direct synonym, preserving the meaning.

level of illumination

Focuses on the degree of light present, using a more technical term.

light intensity

Emphasizes the strength or concentration of the light.

brightness of light

Highlights the perceived luminosity of the light.

degree of radiance

Uses a more formal term for the emitted light energy.

intensity of illumination

Combines the concepts of strength and the act of lighting.

luminosity level

Emphasizes the brightness or luminous quality.

light output

Focuses on the amount of light produced by a source.

solar irradiance

Refers specifically to the power of solar light per unit area.

photon flux

Describes the rate of photons passing through an area, a scientific term.

FAQs

How can I measure the "quantity of light"?

The "quantity of light" can be measured using instruments like lux meters or light meters, which quantify illuminance in lux or foot-candles. For more scientific applications, measurements might involve quantifying photon flux.

What factors affect the "quantity of light" in a room?

Factors influencing the "quantity of light" include the size and number of light sources, their distance from the illuminated area, and the presence of reflective or absorbent surfaces.

Is "amount of light" or "quantity of light" more appropriate?

Both "amount of light" and "quantity of light" are grammatically correct and often interchangeable. However, "quantity of light" might be preferred in more formal or scientific contexts, while "amount of light" is generally suitable for everyday usage.

How does the "quantity of light" affect plant growth?

The "quantity of light" is crucial for photosynthesis. Insufficient light can limit growth, while excessive light can cause stress. The specific requirements vary depending on the plant species.