light trap

noun

Definition of light trap

1 : a device that allows movement of a sliding part or passage of a person (as into a darkroom) but excludes light
2 : a device for collecting or destroying insects that consists of a bright light in association with a trapping or killing medium

Examples of light trap in a Sentence

Recent Examples on the Web Blacker is the new black, and researchers here and abroad are working to create ever more efficient light traps, which means fabricating materials that look ever darker, ever flatter, ever more ripped from the void. Natalie Angier, New York Times, "Ultra-Black Is the New Black," 11 Nov. 2019 Join our scientist hosts in the field for a macro photography workshop, setting light traps that allow us to capture up-close photos of some of the Amazon’s innumerable insect species. National Geographic, "Ecuador and the Galápagos Expedition: Biodiversity Hotspot," 10 Sep. 2019 Join our scientist hosts in the field for a macro photography workshop, setting light traps that allow us to capture up-close photos of some of the Amazon’s innumerable insect species. National Geographic, "Ecuador and the Galápagos Expedition: Biodiversity Hotspot," 10 Sep. 2019 Join our scientist hosts in the field for a macro photography workshop, setting light traps that allow us to capture up-close photos of some of the Amazon’s innumerable insect species. National Geographic, "Ecuador and the Galápagos Expedition: Biodiversity Hotspot," 10 Sep. 2019 Join our scientist hosts in the field for a macro photography workshop, setting light traps that allow us to capture up-close photos of some of the Amazon’s innumerable insect species. National Geographic, "Ecuador and the Galápagos Expedition: Biodiversity Hotspot," 10 Sep. 2019 Join our scientist hosts in the field for a macro photography workshop, setting light traps that allow us to capture up-close photos of some of the Amazon’s innumerable insect species. National Geographic, "Ecuador and the Galápagos Expedition: Biodiversity Hotspot," 10 Sep. 2019 What's flying around Spread across Marion County, 20 light traps managed by health department workers attract and collect mosquitoes flying around in evenings and at night. Casey Smith, Indianapolis Star, "With a rainy spring, Marion County had few mosquitoes. That's no longer the case.," 22 July 2019 Join our scientist hosts in the field for a macro photography workshop, setting light traps that allow us to capture up-close photos of some of the Amazon’s innumerable insect species. National Geographic, "Ecuadorian Amazon and the Galápagos High School Expedition," 12 June 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'light trap.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of light trap

1906, in the meaning defined at sense 1

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Time Traveler for light trap

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The first known use of light trap was in 1906

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Last Updated

18 Nov 2019

Cite this Entry

“Light trap.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/light%20trap. Accessed 22 November 2019.

More from Merriam-Webster on light trap

Rhyming Dictionary: Words that rhyme with light trap

Britannica.com: Encyclopedia article about light trap

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