1 nematode | Definition of nematode

nematode

noun
nem·​a·​tode | \ ˈne-mə-ˌtōd How to pronounce nematode (audio) \

Definition of nematode

: 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

Many fields around the world, Dr Campbell observes, are suffering a growing burden of pests and disease, such as potato-cyst nematode. The Economist, "New ways to make vertical farming stack up," 29 Aug. 2019 The Texas Triffid Ranch exhibit is home to over 200 carnivorous, prehistoric, and exotic plants that eat microscopic organisms, flies, and nematodes. Samantha Lopez, Houston Chronicle, "Dallas’ gallery shows off meat-eating plant predators," 16 July 2019 As for the grubs, parasitic nematodes (Heterorhabditis spp. The Editors, Good Housekeeping, "How to Defend Your Garden Against Japanese Beetles," 18 June 2018 Even for other cryptic animals like nematodes, which can’t be raised in captivity, genetic techniques may find limited use. Quanta Magazine, "World’s Simplest Animal Reveals Hidden Diversity," 12 Sep. 2018 Celery Growing Problems Celery’s main enemies are parsleyworms, carrot rust flies, and nematodes. The Editors Of Organic Life, Good Housekeeping, "How To Grow Your Own Crunchy Celery," 19 Apr. 2017 As such, there are recommended remedies for the problem and one is the use of predatory nematodes. Jeff Lowenfels, Anchorage Daily News, "Here’s what’s eating your currant bushes and ‘spitting’ on your wild roses," 13 July 2018 For these nematodes, the situation is salvageable—because our (s)hero(ine) can self-fertilize. Katherine J. Wu, Smithsonian, "Alternatives to Heterosexual Pairings, Brought to You By Non-Human Animals," 28 June 2018 Beneficial nematodes also work well to curtail immature stages developing in the soil. The Editors Of Organic Life, Good Housekeeping, "How To Control Pesky Cucumber Beetles In Your Garden," 1 June 2017

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

1865, in the meaning defined above

History and Etymology for nematode

ultimately from Greek nēmat-, nēma

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More Definitions for nematode

nematode

adjective
nem·​a·​tode | \ ˈnem-ə-ˌtōd How to pronounce nematode (audio) \

Medical Definition of nematode

 (Entry 1 of 2)

: of or relating to the phylum Nematoda

nematode

noun

Medical Definition of nematode (Entry 2 of 2)

: any worm of the phylum Nematoda

More from Merriam-Webster on nematode

Britannica.com: Encyclopedia article about nematode