n. 1.【植物；植物学】红花除虫菊 (Chrysanthemum coccineum)。 2.除虫菊粉。
spring-flowering garden perennial of Asiatic origin having finely divided aromatic leaves and white to pink-purple flowers; source of an insecticide; sometimes placed in genus Chrysanthemum 同义词：painted daisy, Tanacetum coccineum, Chrysanthemum coccineum,
white-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum 同义词：Dalmatian pyrethrum, Dalmatia pyrethrum, Tanacetum cinerariifolium, Chrysanthemum cinerariifolium,
made of dried flower heads of pyrethrum plants
Pyrethrum refers to several Old World plants of the genus Chrysanthemum (e.g.
例句与用法
1.
Isolation and structural elucidation of flavonoid from pyrethrum tatsienense 藏药川西小黄菊中黄酮类成分的分离与结构鉴定
2.
An insecticide derived from a plant , e . g . pyrethrum ( from chrysanthemum flowers ) 3来源于植物的杀虫剂，例如除虫菊（来源于菊花） 。
3.
The shaoxing yellow wine organic phosphorus remains , the pyrethrum remains had not picked out 绍兴黄酒有机磷残留，菊酯类残留均未检出。
4.
Made with purify carbon dust 、 pyrethrum no smoke 、 taste after light and don ' t irritate pneogaster 、 safety 、 higher effective 本品采用高效拟除虫菊酯为有效药物精心配制而成，无烟环保，驱蚊力强，气味芳香，不污染环境，对人体无刺激。
5.
Made with natural pyrethrum , it is well tested and passed by the technical experts . very good smell and effective protection against mosquitoes . kill mosquito last for 8 hours 本品采用高效拟除虫菊酯及天然优质原料科学精制而成，驱蚊能力强，气味芳香，对人体安全。
6.
Made from natural pyrethrum , can quickly and effectively strike down flies and mosquitoes , and approved by the chinese state environmental protection administration 本品采用高效拟除虫菊酯为有效药物，配方合理、气味芳香，能快速杀灭蚊子、苍蝇、蟑螂等害虫。适合家庭、餐厅、宾馆等场所使用。
7.
Methods : refers to gems / food recommends the monitor project , the shaoxing special food yellow wine , the dried vegetables , the preserved beancurd , the fragrant cake , the sauce duck carried on the lead , the arsenic , the cadmium , the organochlorines , the organic phosphorus , the pyrethrum , the synthetic colour , the sorbic acid , the benzoic acid , the nitrite monitor were determined 方法：参照建立全国食品污染物监测系统和全球食品污染物监测规划( gems / food )中推荐监测项目，对绍兴特产食品黄酒、干菜、腐乳、香糕、酱鸭进行了铅、砷、镉、有机氯、有机磷、拟除虫菊酯、合成色素、山梨酸、苯甲酸、亚硝酸盐的监测。
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