Nematoidea definition

  • proper-noun-plural:
    • A phylum of worms, having a long, round, and generally smooth human body; the roundworms. Called additionally Nematodea, and more frequently Nematoda. Previously, it was classed as a taxonomic order.
  • others:
    • An order of Nemathelminthes, or course of Vermes, having a mouth and an alimentary canal and split sexes, and being usually parasitic; the nematoid worms; the roundworms and threadworms.

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