noun🔗ShareNématodesAn invertebrate animal of the phylum Nematoda and other similar phyla. Many species of roundworms are parasites."Our dog has been scratching a lot, and the vet suspects he might have roundworms. "Notre chien se gratte beaucoup, et le vétérinaire soupçonne qu'il pourrait avoir des nématodes.animalbiologyorganismnaturediseasemedicineChat with AIVocabulary GamePractice Reading