pyrethrum


pyrethrum
paɪ'rɪːθrəm n. type of flower, any of several varieties of chrysanthemum

English contemporary dictionary. 2014.

Look at other dictionaries:

  • Pyrethrum — ist ein Insektizid, das aus den Blüten von verschiedenen Tanacetum Arten gewonnen wird. Die Hauptwirkstoffe sind Pyrethrine, außerdem Cinerine und Jasmoline. Inhaltsverzeichnis 1 Herstellung 2 Anbau 3 Wirtschaftliche Bedeutung …   Deutsch Wikipedia

  • Pyrethrum — refers to several Old World plants of the genus Chrysanthemum (e.g., C. coccineum ) which are cultivated as ornamentals for their showy flower heads. It is also the name of a natural insecticide made from the dried flower heads of C.… …   Wikipedia

  • Pyrethrum — Saltar a navegación, búsqueda Pyrethrum puede referirse a: El nombre común de la planta Chrysanthemum cinerariaefolium El sinónimo del género botánico Tanacetum Obtenido de Pyrethrum Categoría: Wikipedia:Desambiguación …   Wikipedia Español

  • Pyrethrum — (P. Gärtn.), aus mehren Arten von Chrysanthemum gebildete Pflanzengattung aus der Familie der Compositae Senecionideae Anthemideae, 19. Kl. 2. Ordn. L.; Arten: P. Myroni, mit gelben Blüthen; P. indicum, in China, Japan, Ostindien, strauchartig,… …   Pierer's Universal-Lexikon

  • Pyrethrum — Pyrethrum, s. Chrysanthemum …   Meyers Großes Konversations-Lexikon

  • Pyrethrum — Pyrĕthrum, Pflanzenart, s. Chrysanthemum …   Kleines Konversations-Lexikon

  • pyrethrum — ► NOUN 1) an aromatic plant of the daisy family, typically with brightly coloured flowers. 2) an insecticide made from the dried flowers of these plants. ORIGIN Greek purethron feverfew …   English terms dictionary

  • pyrethrum — [pī reth′rəm, pīrē′thrəm] n. [ModL < L < Gr pyrethron, feverfew < pyr, FIRE] 1. a perennial plant (Chrysanthemum coccineum) of the composite family, widely grown for the white, pink, red, or purple flower heads 2. an insecticide made… …   English World dictionary

  • pyrethrum — /puy ree threuhm, reth reuhm/, n. 1. any of several chrysanthemums, as Chrysanthemum coccineum, having finely divided leaves and showy red, pink, lilac, or white flowers, cultivated as an ornamental. 2. any of several chrysanthemums, as C.… …   Universalium

  • Pyrethrum — Py|re|thrum auch: Py|reth|rum 〈n.; s, re|thra〉 aus Wucherblumen (Chrysanthemen) gewonnenes Insektengift [<grch. pyrethron; zu pyr „Feuer“] * * * Py|re|th|rum, das; s, …ra [griech. pýrethron = Mauerkraut, zu: pỹr ↑ (pyro , Pyro ), wohl wegen… …   Universal-Lexikon

  • Pyrethrum — Pyrèthre Pyrèthre …   Wikipédia en Français


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