nematode

noun

nem·​a·​tode ˈne-mə-ˌtōd How to pronounce nematode (audio)
ˈnē-
: any of a phylum (Nematoda or Nemata) of elongated cylindrical worms parasitic in animals or plants or free-living in soil or water

called also roundworm

Examples of nematode 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.
Consider selecting varieties resistant to fusarium and verticillium wilts, tobacco mosaic virus, and/or nematodes. Kim Toscano, Southern Living, 9 Mar. 2025 There is a large body of evidence that, properly applied in dry or liquid form, worm castings deter not only insect pests but pathogenic fungi and nematodes as well. Joshua Siskin, Orange County Register, 8 Mar. 2025 While the citrus oils within marigolds can offer some protection, particularly with nematodes, this protection is still limited and is not an all-encompassing fix-all. Anthony Reardon, Kansas City Star, 24 Jan. 2025 Beat nematodes by removing some of the soil in infested sites and add fresh potting soil. 57. Tom MacCubbin, Orlando Sentinel, 1 Mar. 2025 See All Example Sentences for nematode

Word History

Etymology

ultimately from Greek nēmat-, nēma

First Known Use

1865, in the meaning defined above

Time Traveler
The first known use of nematode was in 1865

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Cite this Entry

“Nematode.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nematode. Accessed 1 Apr. 2025.

Kids Definition

nematode

noun
nem·​a·​tode ˈnem-ə-ˌtōd How to pronounce nematode (audio)
: any of a major group of long cylinder-shaped worms that are parasites in animals or plants or live in soil or water

called also roundworm

Medical Definition

nematode

1 of 2 adjective
nem·​a·​tode ˈnem-ə-ˌtōd How to pronounce nematode (audio)
: of or relating to the phylum Nematoda

nematode

2 of 2 noun
: any worm of the phylum Nematoda

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