noun🔗Share線虫A worm of the large phylum Nematoda, such as a roundworm or threadworm."The gardener discovered that a nematode infestation was damaging the roots of his tomato plants. "庭師は、線虫の蔓延が彼のトマト植物の根を損傷させていることを発見した。animalbiologyorganismnaturescienceChat with AIVocabulary GamePractice Reading