noun🔗ShareAny of several daisy-like perennial African plants of the genus Tanacetum, especially Tanacetum cinerariifolium."My grandmother grows pyrethrum in her garden for its beautiful flowers and natural insecticidal properties. "plantinsectagriculturebiologyenvironmentnaturescienceChat with AIVocabulary GamePractice Reading
noun🔗ShareAnacyclus pyrethrum (pellitory of Spain)"My grandmother grows pyrethrum in her garden, believing its roots can help with some ailments. "plantbiologyagricultureChat with AIVocabulary GamePractice Reading
noun🔗ShareAny of several insecticides obtained from these plants; pyrethrin."To keep the garden free of pests, she sprayed the roses with a natural insecticide made from pyrethrum. "insectplantagriculturechemistryenvironmentscienceChat with AIVocabulary GamePractice Reading