Pyrethrin

Word PYRETHRIN
Character 9
Hyphenation pyr eth rin
Pronunciations N/A

Definitions and meanings of "Pyrethrin"

What do we mean by pyrethrin?

Either of two viscous liquid esters, C21H28O3 or C22H28O5, that are extracted from pyrethrum flowers and used as insecticides. noun

A resinous compound found in pellitory resin from the root of Anacyclus Pyrethrum. noun

A substance resembling, and isomeric with, ordinary camphor, and extracted from the essential oil of feverfew; -- called also Pyrethrum camphor. noun

Any of a number of naturally occurring insecticides extracted from the pyrethrum plant; unusual in having a cyclopropane ring. noun

Any of a number of naturally occurring insecticides extracted from the pyrethrum plant; unusual in having a cyclopropane ring.

Synonyms and Antonyms for Pyrethrin

  • Synonyms for pyrethrin
  • Pyrethrin synonyms not found!!!
  • Antonyms for pyrethrin
  • Pyrethrin antonyms not found!

The word "pyrethrin" in example sentences

Pyrethroid Pesticides were developed as a synthetic version of the naturally occurring pesticide pyrethrin, which is found in chrysanthemums. ❋ Unknown (2008)

Hackett says the problem is a long-acting insecticide called pyrethrin, also called permethrin. ❋ Unknown (2009)

These effects are due to "pyrethrin" contained in the plant, which is an acid fixed resin; also there are present a second resin, and a yellow, acrid oil, whilst the root contains inulin, tannin, and other substances. ❋ William Thomas Fernie (N/A)

The best products for elimination of fleas outdoors are formulations that contain a knockdown material such as pyrethrin or permethrin plus an insect growth regulator (pyriproxyfen or methoprene) to inhibit larval maturation. ❋ Unknown (2010)

A natural insecticide, "pyrethrin" is judged as the most effective and least harmful insecticide to mammals, ❋ Unknown (2009)

The recommended treatment is pyrethrin, used when leaves first show damage. ❋ Unknown (2010)

Piperonyl butoxide (a chemical used with pyrethrin and similar pesticides to kill wasps, ants, fleas and ticks, lice and other pests) was found in 52% of homes. ❋ Unknown (2009)

Load up your portable tanks with as much pyrethrin as necessary, spray liberally in the general direction of the GOP caucus nest, and stop asking for advice from .. ❋ Unknown (2009)

Still, keep Raid away from kitty: Cats' livers can't process pyrethrin fast enough to keep from, you know, dying. ❋ Unknown (2008)

Piperonyl Butoxide or N-Octyl Bicycloheptene Dicarboximide Not poisons on their own, these so-called pesticide synergists block the enzyme that breaks down pyrethrin in insects. ❋ Unknown (2008)

Pretty vicious given where they come from: Pyrethrin is obtained from flowers of the asteraceae family (including daisies and chrysanthemums); pyrethroids are just synthetic pyrethrin. ❋ Unknown (2008)

You start counting days after that minumum temperature and then you spray your codling killer, pyrethrin in this case. ❋ Scusteister (2008)

They can be hung on the wall, are battery operated and can be programmed to release a blast of pyrethrin based aerosol which works well on flying insects. ❋ Unknown (2005)

The last resort are natural, plant-derived insecticides like rotenone or pyrethrin, which are approved for organic growers. ❋ Clark Frasier (2003)

I used a pyrethrin based insecticide, which is usually safe for other life forms, excluding insects. ❋ Madrigle (2003)

• Wash with a pet shampoo that contains insect-repelling pyrethrin, a derivative of chrysanthemum flowers. ❋ PAULA JHUNG (1995)

Cross Reference for Pyrethrin

  • Pyrethrin cross reference not found!

What does pyrethrin mean?

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