pyrethrum

A noun referring to a plant, specifically a type of chrysanthemum, whose dried flower heads are used to produce a natural insecticide.

ruСуществительное, обозначающее растение, а именно вид хризантемы, высушенные соцветия которой используются для производства натурального инсектицида.esSustantivo que designa una planta, concretamente una especie de crisantemo, cuyas inflorescencias secas se utilizan para producir un insecticida natural.frNom désignant une plante, à savoir une espèce de chrysanthème dont les capitules séchés sont utilisés pour produire un insecticide naturel.deSubstantiv, das eine Pflanze bezeichnet, genauer eine Chrysanthemenart, deren getrocknete Blütenstände zur Herstellung eines natürlichen Insektizids verwendet werden.ptSubstantivo que designa uma planta, especificamente uma espécie de crisântemo cujas flores secas são usadas na produção de inseticida natural.zh指除虫菊，一种菊属植物（学名Tanacetum cinerariifolium），其干燥的花序可提取天然杀虫剂除虫菊酯。也指由该植物制成的杀虫粉或制剂。arنبات من فصيلة الأقحوان، تُستخدم نوراته المجففة لإنتاج مبيد حشري طبيعي.

1. Insecticide from dried flowers C1 formal scientific

   A natural insecticide made from the dried, powdered flower heads of certain chrysanthemum plants.

   • Pyrethrum is often used in organic farming as a pest control.
   • The gardener applied a pyrethrum spray to protect the roses from aphids.
   • Many household bug sprays contain pyrethrum as an active ingredient.

   ruИнсектицид из сушёных цветовesPiretro (insecticida)frPyrèthre (insecticide)deInsektizid aus getrockneten BlütenptInseticida de flores secaszh除虫菊杀虫剂arمبيد حشري من أزهار مجففة

2. Balkan pyrethrum plant C2 formal british scientific

   A white-flowered plant native to the Balkan region, with silky-hairy leaves, used as a source of natural insecticide.

   • The Balkan pyrethrum is known for its white flowers and silvery foliage.
   • Botanists classify this pyrethrum species separately from the common chrysanthemum.
   • The plant's insecticidal properties were discovered in the mountainous regions of the Balkans.

   ruБалканская пиретрумesPelitre del CáucasofrPyrèthre de DalmatiedeBalkan-Pyrethrumptpiretro dos Bálcãszh巴尔干除虫菊arأقحوان البلقان

3. Asian pyrethrum (ornamental) C2 formal scientific

   A spring-flowering garden perennial originally from Asia, with finely divided aromatic leaves and white to pink-purple flowers, also used to produce insecticide.

   • The Asian pyrethrum adds a splash of color to the spring garden.
   • Its aromatic leaves make it a popular choice for herbaceous borders.
   • This variety of pyrethrum is cultivated both for its beauty and its insecticidal properties.

   ruАзиатская пиретрума (декоративная)esPelitre asiático (ornamental)frPyrèthre d'AsiedeAsiatische Pyrethrum (Zierpflanze)ptPiretro asiático (ornamental)zh除虫菊（观赏用）arأقحوان آسيوي (زينة)

   Синонимы: painted daisy

• pyrethrums plural form
• pyrethrums' possessive plural form
• pyrethrum's possessive singular form