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light meter
noun
: a small and often portable device for measuring illumination
especially
: exposure meter
Examples of light meter in a Sentence
Recent Examples on the Web
Past attempts with professional-grade hardware include a 1981 experiment that linked an electronic device called a photometer (think of it as a very fancy light meter) with a one-meter infrared telescope in Chile to successfully make daytime observations.
—
Phil Plait, Scientific American, 26 July 2024
Additional notable features include a light meter to analyze sunlight amounts, a pot meter to estimate volumes, and a water calculator to estimate how much hydration your new plants need.
GardenTags
Beginners and experienced gardeners alike come together in this hub for information and inspiration.
—
Kara Peeler, Sunset Magazine, 17 Apr. 2024
The old light meter trick works every time, right?
—
Washington Post, 7 Feb. 2021
Bright, reflective snow can trick your light meter, causing auto exposure to underexpose and create gray snow.
—
Washington Post, 11 Nov. 2021
Plenty of gardening tools can help make this task a breeze, from a moisture and light meter to a long-lasting hose.
—
Isabel Garcia, Better Homes & Gardens, 7 July 2021
Her team, including African researchers, used a light meter to measure skin reflectance in 2092 people in Ethiopia, Tanzania, and Botswana.
—
Ann Gibbons, Science | AAAS, 12 Oct. 2017
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Word History
First Known Use
1889, in the meaning defined above
Dictionary Entries Near light meter
Cite this Entry
“Light meter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/light%20meter. Accessed 9 Feb. 2025.
Kids Definition
light meter
noun1
: a small portable device for measuring the amount of light in an area
2
: a device for indicating correct photographic exposure for varying amounts of light
More from Merriam-Webster on light meter
Britannica.com: Encyclopedia article about light meter
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