Nematode

//ˈnɛm.ə.təʊd// noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    A worm of the large phylum Nematoda, such as a roundworm or threadworm.

    "Nematodes are free-living, soil-dwelling microscopic worms."

  2. 2
    unsegmented worms with elongated rounded body pointed at both ends; mostly free-living but some are parasitic wordnet

Example

More examples

"Plants also help each other through their root systems. For example, scientists say the roots of the marigold flower reduce harmful nematode populations in the soil. Nematodes are tiny worms. There are more than ten-thousand different kinds of nematodes. And some of them feed on corn."

Etymology

Borrowed from translingual Nematoda, from Ancient Greek νηματώδης (nēmatṓdēs, “fibrous, in filaments”), from νῆμα (nêma, “thread, yarn”) + -ώδης (-ṓdēs, “-like”).

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.