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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
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

Word History

First Known Use

1889, in the meaning defined above

Time Traveler
The first known use of light meter was in 1889

Rhymes for light meter

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Browse Nearby Words

light metal
light meter
light-minded
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Cite this Entry

“Light meter.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/light%20meter. Accessed 27 Mar. 2025.

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Kids Definition

light meter

noun
1
: 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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