meal·​worm | \ ˈmēl-ˌwərm How to pronounce mealworm (audio) \

Definition of mealworm

: the larva of a darkling beetle (especially genus Tenebrio) that infests grain products but is often raised as food for insectivorous animals, for laboratory use, or as fishing bait

Examples of mealworm in a Sentence

Recent Examples on the Web Last weekend, the center ran out, and volunteers scoured pet stores all over the city and rounded up three dozen mealworm tubs. Jeffery Jones, National Geographic, 8 Oct. 2020 Further research has now isolated the plastic-eating bacteria found in the mealworms' guts and grown them outside of the mealworm. Ed Scott-clarke; Story By Tom Page, CNN, 10 Sep. 2020 This isn't the first time scientists have leaned on polymer biodegradation to restore plastic products to their origin materials; mealworms have been known to chow down on polystyrene foam, and waxworms chew and eat polyethylene film. Courtney Linder, Popular Mechanics, 13 Apr. 2020 Inside the second box, a thousand mealworms wriggled over an egg crate. Jason Plautz, Ars Technica, 28 Nov. 2019 Another study looked at chirp changes among two experienced mealworm-hunting bats. Rebecca Boyle, Popular Science, 16 Apr. 2014 According to the growers at Livin Farms, many compare mealworms to sunflower seeds, peanuts or pumpkin seeds. Washington Post, 16 Dec. 2019 And Ynsect is not alone in its ambitions for mealworms. The Economist, 4 July 2019 Hoping to get more insight into the results, the researchers trained chicks in the lab to associate images of either white-striped or yellow-striped frogs with bitter, unpalatable mealworms. Veronique Greenwood, New York Times, 12 Sep. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'mealworm.' 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 mealworm

1658, in the meaning defined above

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The first known use of mealworm was in 1658

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Cite this Entry

“Mealworm.” Dictionary, Merriam-Webster, Accessed 5 Aug. 2021.

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